Home / 242,151.12-333,979.20-157,295.52

Finding the Fourth Proportional to 242,151.12, 333,979.20 and 157,295.52

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Solution

The fourth proportional to 242,151.12, 333,979.20 and 157,295.52 is: 216,944.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,151.12 : 333,979.20 = 157,295.52 : x
  2. Step 2: Convert to fraction form
    242,151.12/333,979.20 = 157,295.52/x
  3. Step 3: Cross multiply
    242,151.12x = 333,979.20 × 157,295.52
  4. Step 4: Simplify right side
    242,151.12x = 52,533,431,933.18
  5. Step 5: Solve for x
    x = 52,533,431,933.18/242,151.12
  6. Step 6: Final answer
    x = 216,944.82

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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.