Home / 129,968.55-194,952.83-63,374.40

Finding the Fourth Proportional to 129,968.55, 194,952.83 and 63,374.40

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Solution

The fourth proportional to 129,968.55, 194,952.83 and 63,374.40 is: 95,061.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,968.55 : 194,952.83 = 63,374.40 : x
  2. Step 2: Convert to fraction form
    129,968.55/194,952.83 = 63,374.40/x
  3. Step 3: Cross multiply
    129,968.55x = 194,952.83 × 63,374.40
  4. Step 4: Simplify right side
    129,968.55x = 12,355,018,312.68
  5. Step 5: Solve for x
    x = 12,355,018,312.68/129,968.55
  6. Step 6: Final answer
    x = 95,061.60

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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.