Home / 132,490.19-182,827.05-72,059.60

Finding the Fourth Proportional to 132,490.19, 182,827.05 and 72,059.60

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Solution

The fourth proportional to 132,490.19, 182,827.05 and 72,059.60 is: 99,437.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,490.19 : 182,827.05 = 72,059.60 : x
  2. Step 2: Convert to fraction form
    132,490.19/182,827.05 = 72,059.60/x
  3. Step 3: Cross multiply
    132,490.19x = 182,827.05 × 72,059.60
  4. Step 4: Simplify right side
    132,490.19x = 13,174,444,092.18
  5. Step 5: Solve for x
    x = 13,174,444,092.18/132,490.19
  6. Step 6: Final answer
    x = 99,437.13

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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.