Home / 158,523.83-237,811.95-78,565.55

Finding the Fourth Proportional to 158,523.83, 237,811.95 and 78,565.55

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Solution

The fourth proportional to 158,523.83, 237,811.95 and 78,565.55 is: 117,861.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,523.83 : 237,811.95 = 78,565.55 : x
  2. Step 2: Convert to fraction form
    158,523.83/237,811.95 = 78,565.55/x
  3. Step 3: Cross multiply
    158,523.83x = 237,811.95 × 78,565.55
  4. Step 4: Simplify right side
    158,523.83x = 18,683,825,459.26
  5. Step 5: Solve for x
    x = 18,683,825,459.26/158,523.83
  6. Step 6: Final answer
    x = 117,861.30

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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.