Home / 158,557.60-237,836.40-69,716.80

Finding the Fourth Proportional to 158,557.60, 237,836.40 and 69,716.80

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Solution

The fourth proportional to 158,557.60, 237,836.40 and 69,716.80 is: 104,575.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,557.60 : 237,836.40 = 69,716.80 : x
  2. Step 2: Convert to fraction form
    158,557.60/237,836.40 = 69,716.80/x
  3. Step 3: Cross multiply
    158,557.60x = 237,836.40 × 69,716.80
  4. Step 4: Simplify right side
    158,557.60x = 16,581,192,731.52
  5. Step 5: Solve for x
    x = 16,581,192,731.52/158,557.60
  6. Step 6: Final answer
    x = 104,575.20

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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.