Home / 132,111.19-182,312.83-71,681.68

Finding the Fourth Proportional to 132,111.19, 182,312.83 and 71,681.68

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Solution

The fourth proportional to 132,111.19, 182,312.83 and 71,681.68 is: 98,920.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,111.19 : 182,312.83 = 71,681.68 : x
  2. Step 2: Convert to fraction form
    132,111.19/182,312.83 = 71,681.68/x
  3. Step 3: Cross multiply
    132,111.19x = 182,312.83 × 71,681.68
  4. Step 4: Simplify right side
    132,111.19x = 13,068,489,988.64
  5. Step 5: Solve for x
    x = 13,068,489,988.64/132,111.19
  6. Step 6: Final answer
    x = 98,920.39

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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.