Home / 119,742.76-165,256.10-68,762.18

Finding the Fourth Proportional to 119,742.76, 165,256.10 and 68,762.18

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Solution

The fourth proportional to 119,742.76, 165,256.10 and 68,762.18 is: 94,898.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,742.76 : 165,256.10 = 68,762.18 : x
  2. Step 2: Convert to fraction form
    119,742.76/165,256.10 = 68,762.18/x
  3. Step 3: Cross multiply
    119,742.76x = 165,256.10 × 68,762.18
  4. Step 4: Simplify right side
    119,742.76x = 11,363,369,694.30
  5. Step 5: Solve for x
    x = 11,363,369,694.30/119,742.76
  6. Step 6: Final answer
    x = 94,898.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.