Home / 238,701.60-358,068.24-80,876.16

Finding the Fourth Proportional to 238,701.60, 358,068.24 and 80,876.16

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Solution

The fourth proportional to 238,701.60, 358,068.24 and 80,876.16 is: 121,319.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,701.60 : 358,068.24 = 80,876.16 : x
  2. Step 2: Convert to fraction form
    238,701.60/358,068.24 = 80,876.16/x
  3. Step 3: Cross multiply
    238,701.60x = 358,068.24 × 80,876.16
  4. Step 4: Simplify right side
    238,701.60x = 28,959,184,269.16
  5. Step 5: Solve for x
    x = 28,959,184,269.16/238,701.60
  6. Step 6: Final answer
    x = 121,319.61

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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.