Home / 129,868.60-194,802.90-124,619.80

Finding the Fourth Proportional to 129,868.60, 194,802.90 and 124,619.80

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Solution

The fourth proportional to 129,868.60, 194,802.90 and 124,619.80 is: 186,929.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,868.60 : 194,802.90 = 124,619.80 : x
  2. Step 2: Convert to fraction form
    129,868.60/194,802.90 = 124,619.80/x
  3. Step 3: Cross multiply
    129,868.60x = 194,802.90 × 124,619.80
  4. Step 4: Simplify right side
    129,868.60x = 24,276,298,437.42
  5. Step 5: Solve for x
    x = 24,276,298,437.42/129,868.60
  6. Step 6: Final answer
    x = 186,929.70

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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.