Home / 129,966.08-194,967.71-40,016.40

Finding the Fourth Proportional to 129,966.08, 194,967.71 and 40,016.40

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Solution

The fourth proportional to 129,966.08, 194,967.71 and 40,016.40 is: 60,030.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,966.08 : 194,967.71 = 40,016.40 : x
  2. Step 2: Convert to fraction form
    129,966.08/194,967.71 = 40,016.40/x
  3. Step 3: Cross multiply
    129,966.08x = 194,967.71 × 40,016.40
  4. Step 4: Simplify right side
    129,966.08x = 7,801,905,454.86
  5. Step 5: Solve for x
    x = 7,801,905,454.86/129,966.08
  6. Step 6: Final answer
    x = 60,030.32

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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.