Home / 157,598.20-217,477.02-89,605.79

Finding the Fourth Proportional to 157,598.20, 217,477.02 and 89,605.79

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Solution

The fourth proportional to 157,598.20, 217,477.02 and 89,605.79 is: 123,651.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,598.20 : 217,477.02 = 89,605.79 : x
  2. Step 2: Convert to fraction form
    157,598.20/217,477.02 = 89,605.79/x
  3. Step 3: Cross multiply
    157,598.20x = 217,477.02 × 89,605.79
  4. Step 4: Simplify right side
    157,598.20x = 19,487,200,183.95
  5. Step 5: Solve for x
    x = 19,487,200,183.95/157,598.20
  6. Step 6: Final answer
    x = 123,651.16

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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.