Home / 127,495.08-191,281.50-65,209.32

Finding the Fourth Proportional to 127,495.08, 191,281.50 and 65,209.32

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Solution

The fourth proportional to 127,495.08, 191,281.50 and 65,209.32 is: 97,833.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,495.08 : 191,281.50 = 65,209.32 : x
  2. Step 2: Convert to fraction form
    127,495.08/191,281.50 = 65,209.32/x
  3. Step 3: Cross multiply
    127,495.08x = 191,281.50 × 65,209.32
  4. Step 4: Simplify right side
    127,495.08x = 12,473,336,543.58
  5. Step 5: Solve for x
    x = 12,473,336,543.58/127,495.08
  6. Step 6: Final answer
    x = 97,833.87

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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.