Home / 129,432.04-194,148.06-40,693.30

Finding the Fourth Proportional to 129,432.04, 194,148.06 and 40,693.30

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Solution

The fourth proportional to 129,432.04, 194,148.06 and 40,693.30 is: 61,039.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,432.04 : 194,148.06 = 40,693.30 : x
  2. Step 2: Convert to fraction form
    129,432.04/194,148.06 = 40,693.30/x
  3. Step 3: Cross multiply
    129,432.04x = 194,148.06 × 40,693.30
  4. Step 4: Simplify right side
    129,432.04x = 7,900,525,250.00
  5. Step 5: Solve for x
    x = 7,900,525,250.00/129,432.04
  6. Step 6: Final answer
    x = 61,039.95

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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.