Home / 124,533.20-186,508.20-84,875.60

Finding the Fourth Proportional to 124,533.20, 186,508.20 and 84,875.60

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Solution

The fourth proportional to 124,533.20, 186,508.20 and 84,875.60 is: 127,114.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,533.20 : 186,508.20 = 84,875.60 : x
  2. Step 2: Convert to fraction form
    124,533.20/186,508.20 = 84,875.60/x
  3. Step 3: Cross multiply
    124,533.20x = 186,508.20 × 84,875.60
  4. Step 4: Simplify right side
    124,533.20x = 15,829,995,379.92
  5. Step 5: Solve for x
    x = 15,829,995,379.92/124,533.20
  6. Step 6: Final answer
    x = 127,114.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.