Home / 170,211.20-234,889.47-93,728.70

Finding the Fourth Proportional to 170,211.20, 234,889.47 and 93,728.70

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Solution

The fourth proportional to 170,211.20, 234,889.47 and 93,728.70 is: 129,344.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,211.20 : 234,889.47 = 93,728.70 : x
  2. Step 2: Convert to fraction form
    170,211.20/234,889.47 = 93,728.70/x
  3. Step 3: Cross multiply
    170,211.20x = 234,889.47 × 93,728.70
  4. Step 4: Simplify right side
    170,211.20x = 22,015,884,666.79
  5. Step 5: Solve for x
    x = 22,015,884,666.79/170,211.20
  6. Step 6: Final answer
    x = 129,344.52

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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.