Home / 127,926.90-191,890.35-65,718.90

Finding the Fourth Proportional to 127,926.90, 191,890.35 and 65,718.90

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Solution

The fourth proportional to 127,926.90, 191,890.35 and 65,718.90 is: 98,578.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,926.90 : 191,890.35 = 65,718.90 : x
  2. Step 2: Convert to fraction form
    127,926.90/191,890.35 = 65,718.90/x
  3. Step 3: Cross multiply
    127,926.90x = 191,890.35 × 65,718.90
  4. Step 4: Simplify right side
    127,926.90x = 12,610,822,722.62
  5. Step 5: Solve for x
    x = 12,610,822,722.62/127,926.90
  6. Step 6: Final answer
    x = 98,578.35

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.