Home / 478,150.32-717,058.08-141,101.52

Finding the Fourth Proportional to 478,150.32, 717,058.08 and 141,101.52

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Solution

The fourth proportional to 478,150.32, 717,058.08 and 141,101.52 is: 211,602.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,150.32 : 717,058.08 = 141,101.52 : x
  2. Step 2: Convert to fraction form
    478,150.32/717,058.08 = 141,101.52/x
  3. Step 3: Cross multiply
    478,150.32x = 717,058.08 × 141,101.52
  4. Step 4: Simplify right side
    478,150.32x = 101,177,985,016.28
  5. Step 5: Solve for x
    x = 101,177,985,016.28/478,150.32
  6. Step 6: Final answer
    x = 211,602.88

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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.