Home / 268,224.15-370,155.86-147,373.28

Finding the Fourth Proportional to 268,224.15, 370,155.86 and 147,373.28

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Solution

The fourth proportional to 268,224.15, 370,155.86 and 147,373.28 is: 203,378.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,224.15 : 370,155.86 = 147,373.28 : x
  2. Step 2: Convert to fraction form
    268,224.15/370,155.86 = 147,373.28/x
  3. Step 3: Cross multiply
    268,224.15x = 370,155.86 × 147,373.28
  4. Step 4: Simplify right side
    268,224.15x = 54,551,083,199.42
  5. Step 5: Solve for x
    x = 54,551,083,199.42/268,224.15
  6. Step 6: Final answer
    x = 203,378.72

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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.