Home / 141,220.56-194,885.28-77,557.80

Finding the Fourth Proportional to 141,220.56, 194,885.28 and 77,557.80

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Solution

The fourth proportional to 141,220.56, 194,885.28 and 77,557.80 is: 107,030.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,220.56 : 194,885.28 = 77,557.80 : x
  2. Step 2: Convert to fraction form
    141,220.56/194,885.28 = 77,557.80/x
  3. Step 3: Cross multiply
    141,220.56x = 194,885.28 × 77,557.80
  4. Step 4: Simplify right side
    141,220.56x = 15,114,873,569.18
  5. Step 5: Solve for x
    x = 15,114,873,569.18/141,220.56
  6. Step 6: Final answer
    x = 107,030.26

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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.