Home / 126,153.18-189,197.49-37,385.94

Finding the Fourth Proportional to 126,153.18, 189,197.49 and 37,385.94

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Solution

The fourth proportional to 126,153.18, 189,197.49 and 37,385.94 is: 56,069.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,153.18 : 189,197.49 = 37,385.94 : x
  2. Step 2: Convert to fraction form
    126,153.18/189,197.49 = 37,385.94/x
  3. Step 3: Cross multiply
    126,153.18x = 189,197.49 × 37,385.94
  4. Step 4: Simplify right side
    126,153.18x = 7,073,326,009.29
  5. Step 5: Solve for x
    x = 7,073,326,009.29/126,153.18
  6. Step 6: Final answer
    x = 56,069.34

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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.