Home / 153,113.20-211,285.24-84,207.52

Finding the Fourth Proportional to 153,113.20, 211,285.24 and 84,207.52

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Solution

The fourth proportional to 153,113.20, 211,285.24 and 84,207.52 is: 116,200.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,113.20 : 211,285.24 = 84,207.52 : x
  2. Step 2: Convert to fraction form
    153,113.20/211,285.24 = 84,207.52/x
  3. Step 3: Cross multiply
    153,113.20x = 211,285.24 × 84,207.52
  4. Step 4: Simplify right side
    153,113.20x = 17,791,805,016.58
  5. Step 5: Solve for x
    x = 17,791,805,016.58/153,113.20
  6. Step 6: Final answer
    x = 116,200.33

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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.