Home / 151,576.93-209,174.02-87,925.51

Finding the Fourth Proportional to 151,576.93, 209,174.02 and 87,925.51

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Solution

The fourth proportional to 151,576.93, 209,174.02 and 87,925.51 is: 121,335.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,576.93 : 209,174.02 = 87,925.51 : x
  2. Step 2: Convert to fraction form
    151,576.93/209,174.02 = 87,925.51/x
  3. Step 3: Cross multiply
    151,576.93x = 209,174.02 × 87,925.51
  4. Step 4: Simplify right side
    151,576.93x = 18,391,732,387.25
  5. Step 5: Solve for x
    x = 18,391,732,387.25/151,576.93
  6. Step 6: Final answer
    x = 121,335.96

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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.