Home / 141,752.41-195,627.18-78,090.20

Finding the Fourth Proportional to 141,752.41, 195,627.18 and 78,090.20

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Solution

The fourth proportional to 141,752.41, 195,627.18 and 78,090.20 is: 107,769.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,752.41 : 195,627.18 = 78,090.20 : x
  2. Step 2: Convert to fraction form
    141,752.41/195,627.18 = 78,090.20/x
  3. Step 3: Cross multiply
    141,752.41x = 195,627.18 × 78,090.20
  4. Step 4: Simplify right side
    141,752.41x = 15,276,565,611.64
  5. Step 5: Solve for x
    x = 15,276,565,611.64/141,752.41
  6. Step 6: Final answer
    x = 107,769.35

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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.