Home / 156,923.20-216,572.16-93,260.44

Finding the Fourth Proportional to 156,923.20, 216,572.16 and 93,260.44

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Solution

The fourth proportional to 156,923.20, 216,572.16 and 93,260.44 is: 128,710.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,923.20 : 216,572.16 = 93,260.44 : x
  2. Step 2: Convert to fraction form
    156,923.20/216,572.16 = 93,260.44/x
  3. Step 3: Cross multiply
    156,923.20x = 216,572.16 × 93,260.44
  4. Step 4: Simplify right side
    156,923.20x = 20,197,614,933.35
  5. Step 5: Solve for x
    x = 20,197,614,933.35/156,923.20
  6. Step 6: Final answer
    x = 128,710.19

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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.