Home / 220,012.83-329,966.33-101,570.45

Finding the Fourth Proportional to 220,012.83, 329,966.33 and 101,570.45

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Solution

The fourth proportional to 220,012.83, 329,966.33 and 101,570.45 is: 152,331.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,012.83 : 329,966.33 = 101,570.45 : x
  2. Step 2: Convert to fraction form
    220,012.83/329,966.33 = 101,570.45/x
  3. Step 3: Cross multiply
    220,012.83x = 329,966.33 × 101,570.45
  4. Step 4: Simplify right side
    220,012.83x = 33,514,826,465.26
  5. Step 5: Solve for x
    x = 33,514,826,465.26/220,012.83
  6. Step 6: Final answer
    x = 152,331.24

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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.