Home / 130,924.38-180,675.86-74,335.76

Finding the Fourth Proportional to 130,924.38, 180,675.86 and 74,335.76

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Solution

The fourth proportional to 130,924.38, 180,675.86 and 74,335.76 is: 102,583.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,924.38 : 180,675.86 = 74,335.76 : x
  2. Step 2: Convert to fraction form
    130,924.38/180,675.86 = 74,335.76/x
  3. Step 3: Cross multiply
    130,924.38x = 180,675.86 × 74,335.76
  4. Step 4: Simplify right side
    130,924.38x = 13,430,676,091.70
  5. Step 5: Solve for x
    x = 13,430,676,091.70/130,924.38
  6. Step 6: Final answer
    x = 102,583.46

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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.