Home / 127,869.70-191,804.55-34,384.90

Finding the Fourth Proportional to 127,869.70, 191,804.55 and 34,384.90

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Solution

The fourth proportional to 127,869.70, 191,804.55 and 34,384.90 is: 51,577.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,869.70 : 191,804.55 = 34,384.90 : x
  2. Step 2: Convert to fraction form
    127,869.70/191,804.55 = 34,384.90/x
  3. Step 3: Cross multiply
    127,869.70x = 191,804.55 × 34,384.90
  4. Step 4: Simplify right side
    127,869.70x = 6,595,180,271.30
  5. Step 5: Solve for x
    x = 6,595,180,271.30/127,869.70
  6. Step 6: Final answer
    x = 51,577.35

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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.