Home / 127,666.90-176,153.55-73,948.69

Finding the Fourth Proportional to 127,666.90, 176,153.55 and 73,948.69

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Solution

The fourth proportional to 127,666.90, 176,153.55 and 73,948.69 is: 102,033.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,666.90 : 176,153.55 = 73,948.69 : x
  2. Step 2: Convert to fraction form
    127,666.90/176,153.55 = 73,948.69/x
  3. Step 3: Cross multiply
    127,666.90x = 176,153.55 × 73,948.69
  4. Step 4: Simplify right side
    127,666.90x = 13,026,324,261.35
  5. Step 5: Solve for x
    x = 13,026,324,261.35/127,666.90
  6. Step 6: Final answer
    x = 102,033.69

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1.5x scale

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.