Home / 127,334.10-191,205.15-101,255.70

Finding the Fourth Proportional to 127,334.10, 191,205.15 and 101,255.70

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Solution

The fourth proportional to 127,334.10, 191,205.15 and 101,255.70 is: 152,045.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,334.10 : 191,205.15 = 101,255.70 : x
  2. Step 2: Convert to fraction form
    127,334.10/191,205.15 = 101,255.70/x
  3. Step 3: Cross multiply
    127,334.10x = 191,205.15 × 101,255.70
  4. Step 4: Simplify right side
    127,334.10x = 19,360,611,306.86
  5. Step 5: Solve for x
    x = 19,360,611,306.86/127,334.10
  6. Step 6: Final answer
    x = 152,045.77

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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.