Home / 132,179.76-182,416.95-74,818.98

Finding the Fourth Proportional to 132,179.76, 182,416.95 and 74,818.98

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Solution

The fourth proportional to 132,179.76, 182,416.95 and 74,818.98 is: 103,255.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,179.76 : 182,416.95 = 74,818.98 : x
  2. Step 2: Convert to fraction form
    132,179.76/182,416.95 = 74,818.98/x
  3. Step 3: Cross multiply
    132,179.76x = 182,416.95 × 74,818.98
  4. Step 4: Simplify right side
    132,179.76x = 13,648,250,133.71
  5. Step 5: Solve for x
    x = 13,648,250,133.71/132,179.76
  6. Step 6: Final answer
    x = 103,255.22

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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.