Home / 127,534.80-191,302.20-105,373.20

Finding the Fourth Proportional to 127,534.80, 191,302.20 and 105,373.20

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Solution

The fourth proportional to 127,534.80, 191,302.20 and 105,373.20 is: 158,059.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,534.80 : 191,302.20 = 105,373.20 : x
  2. Step 2: Convert to fraction form
    127,534.80/191,302.20 = 105,373.20/x
  3. Step 3: Cross multiply
    127,534.80x = 191,302.20 × 105,373.20
  4. Step 4: Simplify right side
    127,534.80x = 20,158,124,981.04
  5. Step 5: Solve for x
    x = 20,158,124,981.04/127,534.80
  6. Step 6: Final answer
    x = 158,059.80

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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.