Home / 132,172.61-182,398.37-71,743.25

Finding the Fourth Proportional to 132,172.61, 182,398.37 and 71,743.25

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Solution

The fourth proportional to 132,172.61, 182,398.37 and 71,743.25 is: 99,005.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,172.61 : 182,398.37 = 71,743.25 : x
  2. Step 2: Convert to fraction form
    132,172.61/182,398.37 = 71,743.25/x
  3. Step 3: Cross multiply
    132,172.61x = 182,398.37 × 71,743.25
  4. Step 4: Simplify right side
    132,172.61x = 13,085,850,587.79
  5. Step 5: Solve for x
    x = 13,085,850,587.79/132,172.61
  6. Step 6: Final answer
    x = 99,005.77

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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.