Home / 127,854.78-176,440.82-70,496.16

Finding the Fourth Proportional to 127,854.78, 176,440.82 and 70,496.16

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Solution

The fourth proportional to 127,854.78, 176,440.82 and 70,496.16 is: 97,285.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,854.78 : 176,440.82 = 70,496.16 : x
  2. Step 2: Convert to fraction form
    127,854.78/176,440.82 = 70,496.16/x
  3. Step 3: Cross multiply
    127,854.78x = 176,440.82 × 70,496.16
  4. Step 4: Simplify right side
    127,854.78x = 12,438,399,924.77
  5. Step 5: Solve for x
    x = 12,438,399,924.77/127,854.78
  6. Step 6: Final answer
    x = 97,285.37

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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.