Home / 126,526.04-189,640.86-51,599.40

Finding the Fourth Proportional to 126,526.04, 189,640.86 and 51,599.40

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Solution

The fourth proportional to 126,526.04, 189,640.86 and 51,599.40 is: 77,338.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,526.04 : 189,640.86 = 51,599.40 : x
  2. Step 2: Convert to fraction form
    126,526.04/189,640.86 = 51,599.40/x
  3. Step 3: Cross multiply
    126,526.04x = 189,640.86 × 51,599.40
  4. Step 4: Simplify right side
    126,526.04x = 9,785,354,591.48
  5. Step 5: Solve for x
    x = 9,785,354,591.48/126,526.04
  6. Step 6: Final answer
    x = 77,338.66

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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.