Home / 158,643.20-237,948.60-53,463.08

Finding the Fourth Proportional to 158,643.20, 237,948.60 and 53,463.08

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Solution

The fourth proportional to 158,643.20, 237,948.60 and 53,463.08 is: 80,189.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,643.20 : 237,948.60 = 53,463.08 : x
  2. Step 2: Convert to fraction form
    158,643.20/237,948.60 = 53,463.08/x
  3. Step 3: Cross multiply
    158,643.20x = 237,948.60 × 53,463.08
  4. Step 4: Simplify right side
    158,643.20x = 12,721,465,037.69
  5. Step 5: Solve for x
    x = 12,721,465,037.69/158,643.20
  6. Step 6: Final answer
    x = 80,189.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.