Home / 560,116.26-840,177-139,392.12

Finding the Fourth Proportional to 560,116.26, 840,177 and 139,392.12

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Solution

The fourth proportional to 560,116.26, 840,177 and 139,392.12 is: 209,088.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,116.26 : 840,177 = 139,392.12 : x
  2. Step 2: Convert to fraction form
    560,116.26/840,177 = 139,392.12/x
  3. Step 3: Cross multiply
    560,116.26x = 840,177 × 139,392.12
  4. Step 4: Simplify right side
    560,116.26x = 117,114,053,205.24
  5. Step 5: Solve for x
    x = 117,114,053,205.24/560,116.26
  6. Step 6: Final answer
    x = 209,088.83

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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.