Home / 140,301.74-193,680.14-89,384.30

Finding the Fourth Proportional to 140,301.74, 193,680.14 and 89,384.30

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Solution

The fourth proportional to 140,301.74, 193,680.14 and 89,384.30 is: 123,390.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,301.74 : 193,680.14 = 89,384.30 : x
  2. Step 2: Convert to fraction form
    140,301.74/193,680.14 = 89,384.30/x
  3. Step 3: Cross multiply
    140,301.74x = 193,680.14 × 89,384.30
  4. Step 4: Simplify right side
    140,301.74x = 17,311,963,737.80
  5. Step 5: Solve for x
    x = 17,311,963,737.80/140,301.74
  6. Step 6: Final answer
    x = 123,390.94

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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.