Home / 126,332.19-189,434.90-42,062.67

Finding the Fourth Proportional to 126,332.19, 189,434.90 and 42,062.67

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Solution

The fourth proportional to 126,332.19, 189,434.90 and 42,062.67 is: 63,072.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,332.19 : 189,434.90 = 42,062.67 : x
  2. Step 2: Convert to fraction form
    126,332.19/189,434.90 = 42,062.67/x
  3. Step 3: Cross multiply
    126,332.19x = 189,434.90 × 42,062.67
  4. Step 4: Simplify right side
    126,332.19x = 7,968,137,474.87
  5. Step 5: Solve for x
    x = 7,968,137,474.87/126,332.19
  6. Step 6: Final answer
    x = 63,072.90

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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.