Home / 219,968.10-329,733.45-101,432.70

Finding the Fourth Proportional to 219,968.10, 329,733.45 and 101,432.70

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Solution

The fourth proportional to 219,968.10, 329,733.45 and 101,432.70 is: 152,048.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,968.10 : 329,733.45 = 101,432.70 : x
  2. Step 2: Convert to fraction form
    219,968.10/329,733.45 = 101,432.70/x
  3. Step 3: Cross multiply
    219,968.10x = 329,733.45 × 101,432.70
  4. Step 4: Simplify right side
    219,968.10x = 33,445,754,113.82
  5. Step 5: Solve for x
    x = 33,445,754,113.82/219,968.10
  6. Step 6: Final answer
    x = 152,048.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.