Home / 129,505.19-194,257.78-62,888.22

Finding the Fourth Proportional to 129,505.19, 194,257.78 and 62,888.22

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Solution

The fourth proportional to 129,505.19, 194,257.78 and 62,888.22 is: 94,332.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,505.19 : 194,257.78 = 62,888.22 : x
  2. Step 2: Convert to fraction form
    129,505.19/194,257.78 = 62,888.22/x
  3. Step 3: Cross multiply
    129,505.19x = 194,257.78 × 62,888.22
  4. Step 4: Simplify right side
    129,505.19x = 12,216,525,848.13
  5. Step 5: Solve for x
    x = 12,216,525,848.13/129,505.19
  6. Step 6: Final answer
    x = 94,332.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.