Home / 285,210.42-393,593.49-157,888.14

Finding the Fourth Proportional to 285,210.42, 393,593.49 and 157,888.14

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Solution

The fourth proportional to 285,210.42, 393,593.49 and 157,888.14 is: 217,887.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,210.42 : 393,593.49 = 157,888.14 : x
  2. Step 2: Convert to fraction form
    285,210.42/393,593.49 = 157,888.14/x
  3. Step 3: Cross multiply
    285,210.42x = 393,593.49 × 157,888.14
  4. Step 4: Simplify right side
    285,210.42x = 62,143,744,052.21
  5. Step 5: Solve for x
    x = 62,143,744,052.21/285,210.42
  6. Step 6: Final answer
    x = 217,887.36

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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.