Home / 132,316.52-182,625.69-81,373.10

Finding the Fourth Proportional to 132,316.52, 182,625.69 and 81,373.10

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Solution

The fourth proportional to 132,316.52, 182,625.69 and 81,373.10 is: 112,312.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,316.52 : 182,625.69 = 81,373.10 : x
  2. Step 2: Convert to fraction form
    132,316.52/182,625.69 = 81,373.10/x
  3. Step 3: Cross multiply
    132,316.52x = 182,625.69 × 81,373.10
  4. Step 4: Simplify right side
    132,316.52x = 14,860,817,621.81
  5. Step 5: Solve for x
    x = 14,860,817,621.81/132,316.52
  6. Step 6: Final answer
    x = 112,312.64

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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.