Home / 141,718.36-195,580.20-78,056.14

Finding the Fourth Proportional to 141,718.36, 195,580.20 and 78,056.14

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Solution

The fourth proportional to 141,718.36, 195,580.20 and 78,056.14 is: 107,722.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,718.36 : 195,580.20 = 78,056.14 : x
  2. Step 2: Convert to fraction form
    141,718.36/195,580.20 = 78,056.14/x
  3. Step 3: Cross multiply
    141,718.36x = 195,580.20 × 78,056.14
  4. Step 4: Simplify right side
    141,718.36x = 15,266,235,472.43
  5. Step 5: Solve for x
    x = 15,266,235,472.43/141,718.36
  6. Step 6: Final answer
    x = 107,722.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.