Home / 122,141.17-182,012.27-118,127.62

Finding the Fourth Proportional to 122,141.17, 182,012.27 and 118,127.62

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Solution

The fourth proportional to 122,141.17, 182,012.27 and 118,127.62 is: 176,031.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,141.17 : 182,012.27 = 118,127.62 : x
  2. Step 2: Convert to fraction form
    122,141.17/182,012.27 = 118,127.62/x
  3. Step 3: Cross multiply
    122,141.17x = 182,012.27 × 118,127.62
  4. Step 4: Simplify right side
    122,141.17x = 21,500,676,265.90
  5. Step 5: Solve for x
    x = 21,500,676,265.90/122,141.17
  6. Step 6: Final answer
    x = 176,031.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.