Home / 158,081.30-237,307.15-124,823.78

Finding the Fourth Proportional to 158,081.30, 237,307.15 and 124,823.78

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Solution

The fourth proportional to 158,081.30, 237,307.15 and 124,823.78 is: 187,381.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,081.30 : 237,307.15 = 124,823.78 : x
  2. Step 2: Convert to fraction form
    158,081.30/237,307.15 = 124,823.78/x
  3. Step 3: Cross multiply
    158,081.30x = 237,307.15 × 124,823.78
  4. Step 4: Simplify right side
    158,081.30x = 29,621,575,484.03
  5. Step 5: Solve for x
    x = 29,621,575,484.03/158,081.30
  6. Step 6: Final answer
    x = 187,381.91

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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.