Home / 127,677.34-191,049.45-75,111.58

Finding the Fourth Proportional to 127,677.34, 191,049.45 and 75,111.58

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Solution

The fourth proportional to 127,677.34, 191,049.45 and 75,111.58 is: 112,392.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,677.34 : 191,049.45 = 75,111.58 : x
  2. Step 2: Convert to fraction form
    127,677.34/191,049.45 = 75,111.58/x
  3. Step 3: Cross multiply
    127,677.34x = 191,049.45 × 75,111.58
  4. Step 4: Simplify right side
    127,677.34x = 14,350,026,047.63
  5. Step 5: Solve for x
    x = 14,350,026,047.63/127,677.34
  6. Step 6: Final answer
    x = 112,392.90

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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.