Home / 127,793.73-176,355.36-74,109.89

Finding the Fourth Proportional to 127,793.73, 176,355.36 and 74,109.89

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Solution

The fourth proportional to 127,793.73, 176,355.36 and 74,109.89 is: 102,271.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,793.73 : 176,355.36 = 74,109.89 : x
  2. Step 2: Convert to fraction form
    127,793.73/176,355.36 = 74,109.89/x
  3. Step 3: Cross multiply
    127,793.73x = 176,355.36 × 74,109.89
  4. Step 4: Simplify right side
    127,793.73x = 13,069,675,779.40
  5. Step 5: Solve for x
    x = 13,069,675,779.40/127,793.73
  6. Step 6: Final answer
    x = 102,271.65

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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.