Home / 119,304.48-178,567.22-87,706.16

Finding the Fourth Proportional to 119,304.48, 178,567.22 and 87,706.16

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Solution

The fourth proportional to 119,304.48, 178,567.22 and 87,706.16 is: 131,272.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,304.48 : 178,567.22 = 87,706.16 : x
  2. Step 2: Convert to fraction form
    119,304.48/178,567.22 = 87,706.16/x
  3. Step 3: Cross multiply
    119,304.48x = 178,567.22 × 87,706.16
  4. Step 4: Simplify right side
    119,304.48x = 15,661,445,168.08
  5. Step 5: Solve for x
    x = 15,661,445,168.08/119,304.48
  6. Step 6: Final answer
    x = 131,272.90

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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.