Home / 129,929.40-194,894.10-63,412.20

Finding the Fourth Proportional to 129,929.40, 194,894.10 and 63,412.20

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Solution

The fourth proportional to 129,929.40, 194,894.10 and 63,412.20 is: 95,118.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,929.40 : 194,894.10 = 63,412.20 : x
  2. Step 2: Convert to fraction form
    129,929.40/194,894.10 = 63,412.20/x
  3. Step 3: Cross multiply
    129,929.40x = 194,894.10 × 63,412.20
  4. Step 4: Simplify right side
    129,929.40x = 12,358,663,648.02
  5. Step 5: Solve for x
    x = 12,358,663,648.02/129,929.40
  6. Step 6: Final answer
    x = 95,118.30

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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.