Home / 132,487.26-182,830.62-72,056.60

Finding the Fourth Proportional to 132,487.26, 182,830.62 and 72,056.60

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Solution

The fourth proportional to 132,487.26, 182,830.62 and 72,056.60 is: 99,437.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,487.26 : 182,830.62 = 72,056.60 : x
  2. Step 2: Convert to fraction form
    132,487.26/182,830.62 = 72,056.60/x
  3. Step 3: Cross multiply
    132,487.26x = 182,830.62 × 72,056.60
  4. Step 4: Simplify right side
    132,487.26x = 13,174,152,853.09
  5. Step 5: Solve for x
    x = 13,174,152,853.09/132,487.26
  6. Step 6: Final answer
    x = 99,437.13

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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.