Home / 291,279.08-402,089.02-195,841.10

Finding the Fourth Proportional to 291,279.08, 402,089.02 and 195,841.10

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Solution

The fourth proportional to 291,279.08, 402,089.02 and 195,841.10 is: 270,344.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,279.08 : 402,089.02 = 195,841.10 : x
  2. Step 2: Convert to fraction form
    291,279.08/402,089.02 = 195,841.10/x
  3. Step 3: Cross multiply
    291,279.08x = 402,089.02 × 195,841.10
  4. Step 4: Simplify right side
    291,279.08x = 78,745,555,974.72
  5. Step 5: Solve for x
    x = 78,745,555,974.72/291,279.08
  6. Step 6: Final answer
    x = 270,344.02

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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.