Home / 127,806.15-176,373.73-70,447.72

Finding the Fourth Proportional to 127,806.15, 176,373.73 and 70,447.72

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Solution

The fourth proportional to 127,806.15, 176,373.73 and 70,447.72 is: 97,218.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,806.15 : 176,373.73 = 70,447.72 : x
  2. Step 2: Convert to fraction form
    127,806.15/176,373.73 = 70,447.72/x
  3. Step 3: Cross multiply
    127,806.15x = 176,373.73 × 70,447.72
  4. Step 4: Simplify right side
    127,806.15x = 12,425,126,794.16
  5. Step 5: Solve for x
    x = 12,425,126,794.16/127,806.15
  6. Step 6: Final answer
    x = 97,218.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.