Home / 236,456.15-354,101.03-157,140.95

Finding the Fourth Proportional to 236,456.15, 354,101.03 and 157,140.95

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Solution

The fourth proportional to 236,456.15, 354,101.03 and 157,140.95 is: 235,323.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,456.15 : 354,101.03 = 157,140.95 : x
  2. Step 2: Convert to fraction form
    236,456.15/354,101.03 = 157,140.95/x
  3. Step 3: Cross multiply
    236,456.15x = 354,101.03 × 157,140.95
  4. Step 4: Simplify right side
    236,456.15x = 55,643,771,464.47
  5. Step 5: Solve for x
    x = 55,643,771,464.47/236,456.15
  6. Step 6: Final answer
    x = 235,323.85

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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.