Home / 141,218.04-194,884.29-77,557.20

Finding the Fourth Proportional to 141,218.04, 194,884.29 and 77,557.20

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Solution

The fourth proportional to 141,218.04, 194,884.29 and 77,557.20 is: 107,030.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,218.04 : 194,884.29 = 77,557.20 : x
  2. Step 2: Convert to fraction form
    141,218.04/194,884.29 = 77,557.20/x
  3. Step 3: Cross multiply
    141,218.04x = 194,884.29 × 77,557.20
  4. Step 4: Simplify right side
    141,218.04x = 15,114,679,856.39
  5. Step 5: Solve for x
    x = 15,114,679,856.39/141,218.04
  6. Step 6: Final answer
    x = 107,030.80

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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.