Home / 130,566.18-180,171.06-73,963.38

Finding the Fourth Proportional to 130,566.18, 180,171.06 and 73,963.38

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Solution

The fourth proportional to 130,566.18, 180,171.06 and 73,963.38 is: 102,063.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,566.18 : 180,171.06 = 73,963.38 : x
  2. Step 2: Convert to fraction form
    130,566.18/180,171.06 = 73,963.38/x
  3. Step 3: Cross multiply
    130,566.18x = 180,171.06 × 73,963.38
  4. Step 4: Simplify right side
    130,566.18x = 13,326,060,575.78
  5. Step 5: Solve for x
    x = 13,326,060,575.78/130,566.18
  6. Step 6: Final answer
    x = 102,063.65

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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.