Home / 153,304.29-211,542.30-88,774.76

Finding the Fourth Proportional to 153,304.29, 211,542.30 and 88,774.76

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Solution

The fourth proportional to 153,304.29, 211,542.30 and 88,774.76 is: 122,498.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,304.29 : 211,542.30 = 88,774.76 : x
  2. Step 2: Convert to fraction form
    153,304.29/211,542.30 = 88,774.76/x
  3. Step 3: Cross multiply
    153,304.29x = 211,542.30 × 88,774.76
  4. Step 4: Simplify right side
    153,304.29x = 18,779,617,441.20
  5. Step 5: Solve for x
    x = 18,779,617,441.20/153,304.29
  6. Step 6: Final answer
    x = 122,498.97

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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.