Home / 215,416.22-297,080.88-134,851.10

Finding the Fourth Proportional to 215,416.22, 297,080.88 and 134,851.10

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Solution

The fourth proportional to 215,416.22, 297,080.88 and 134,851.10 is: 185,973.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,416.22 : 297,080.88 = 134,851.10 : x
  2. Step 2: Convert to fraction form
    215,416.22/297,080.88 = 134,851.10/x
  3. Step 3: Cross multiply
    215,416.22x = 297,080.88 × 134,851.10
  4. Step 4: Simplify right side
    215,416.22x = 40,061,683,456.97
  5. Step 5: Solve for x
    x = 40,061,683,456.97/215,416.22
  6. Step 6: Final answer
    x = 185,973.38

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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.