Home / 153,722.10-212,235.19-96,439.92

Finding the Fourth Proportional to 153,722.10, 212,235.19 and 96,439.92

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Solution

The fourth proportional to 153,722.10, 212,235.19 and 96,439.92 is: 133,149.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,722.10 : 212,235.19 = 96,439.92 : x
  2. Step 2: Convert to fraction form
    153,722.10/212,235.19 = 96,439.92/x
  3. Step 3: Cross multiply
    153,722.10x = 212,235.19 × 96,439.92
  4. Step 4: Simplify right side
    153,722.10x = 20,467,943,707.80
  5. Step 5: Solve for x
    x = 20,467,943,707.80/153,722.10
  6. Step 6: Final answer
    x = 133,149.00

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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.