Home / 119,549.85-164,929.27-71,142.08

Finding the Fourth Proportional to 119,549.85, 164,929.27 and 71,142.08

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Solution

The fourth proportional to 119,549.85, 164,929.27 and 71,142.08 is: 98,146.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,549.85 : 164,929.27 = 71,142.08 : x
  2. Step 2: Convert to fraction form
    119,549.85/164,929.27 = 71,142.08/x
  3. Step 3: Cross multiply
    119,549.85x = 164,929.27 × 71,142.08
  4. Step 4: Simplify right side
    119,549.85x = 11,733,411,320.68
  5. Step 5: Solve for x
    x = 11,733,411,320.68/119,549.85
  6. Step 6: Final answer
    x = 98,146.60

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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.