Home / 127,945.80-176,557.25-70,585.86

Finding the Fourth Proportional to 127,945.80, 176,557.25 and 70,585.86

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Solution

The fourth proportional to 127,945.80, 176,557.25 and 70,585.86 is: 97,404.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,945.80 : 176,557.25 = 70,585.86 : x
  2. Step 2: Convert to fraction form
    127,945.80/176,557.25 = 70,585.86/x
  3. Step 3: Cross multiply
    127,945.80x = 176,557.25 × 70,585.86
  4. Step 4: Simplify right side
    127,945.80x = 12,462,444,977.56
  5. Step 5: Solve for x
    x = 12,462,444,977.56/127,945.80
  6. Step 6: Final answer
    x = 97,404.10

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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.