Home / 153,656.28-230,284.62-78,712.92

Finding the Fourth Proportional to 153,656.28, 230,284.62 and 78,712.92

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Solution

The fourth proportional to 153,656.28, 230,284.62 and 78,712.92 is: 117,967.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,656.28 : 230,284.62 = 78,712.92 : x
  2. Step 2: Convert to fraction form
    153,656.28/230,284.62 = 78,712.92/x
  3. Step 3: Cross multiply
    153,656.28x = 230,284.62 × 78,712.92
  4. Step 4: Simplify right side
    153,656.28x = 18,126,374,871.29
  5. Step 5: Solve for x
    x = 18,126,374,871.29/153,656.28
  6. Step 6: Final answer
    x = 117,967.03

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1.5x scale

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.