Home / 141,172.23-194,818.02-77,514.13

Finding the Fourth Proportional to 141,172.23, 194,818.02 and 77,514.13

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Solution

The fourth proportional to 141,172.23, 194,818.02 and 77,514.13 is: 106,969.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,172.23 : 194,818.02 = 77,514.13 : x
  2. Step 2: Convert to fraction form
    141,172.23/194,818.02 = 77,514.13/x
  3. Step 3: Cross multiply
    141,172.23x = 194,818.02 × 77,514.13
  4. Step 4: Simplify right side
    141,172.23x = 15,101,149,281.47
  5. Step 5: Solve for x
    x = 15,101,149,281.47/141,172.23
  6. Step 6: Final answer
    x = 106,969.68

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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.