Home / 167,587.92-231,001.47-137,319.84

Finding the Fourth Proportional to 167,587.92, 231,001.47 and 137,319.84

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Solution

The fourth proportional to 167,587.92, 231,001.47 and 137,319.84 is: 189,280.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,587.92 : 231,001.47 = 137,319.84 : x
  2. Step 2: Convert to fraction form
    167,587.92/231,001.47 = 137,319.84/x
  3. Step 3: Cross multiply
    167,587.92x = 231,001.47 × 137,319.84
  4. Step 4: Simplify right side
    167,587.92x = 31,721,084,900.16
  5. Step 5: Solve for x
    x = 31,721,084,900.16/167,587.92
  6. Step 6: Final answer
    x = 189,280.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.