Home / 127,813.07-176,383.31-70,454.41

Finding the Fourth Proportional to 127,813.07, 176,383.31 and 70,454.41

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Solution

The fourth proportional to 127,813.07, 176,383.31 and 70,454.41 is: 97,227.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,813.07 : 176,383.31 = 70,454.41 : x
  2. Step 2: Convert to fraction form
    127,813.07/176,383.31 = 70,454.41/x
  3. Step 3: Cross multiply
    127,813.07x = 176,383.31 × 70,454.41
  4. Step 4: Simplify right side
    127,813.07x = 12,426,981,246.67
  5. Step 5: Solve for x
    x = 12,426,981,246.67/127,813.07
  6. Step 6: Final answer
    x = 97,227.78

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1.5x scale

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.