Home / 400,155.95-552,232.90-230,444.75

Finding the Fourth Proportional to 400,155.95, 552,232.90 and 230,444.75

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Solution

The fourth proportional to 400,155.95, 552,232.90 and 230,444.75 is: 318,023.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,155.95 : 552,232.90 = 230,444.75 : x
  2. Step 2: Convert to fraction form
    400,155.95/552,232.90 = 230,444.75/x
  3. Step 3: Cross multiply
    400,155.95x = 552,232.90 × 230,444.75
  4. Step 4: Simplify right side
    400,155.95x = 127,259,172,582.28
  5. Step 5: Solve for x
    x = 127,259,172,582.28/400,155.95
  6. Step 6: Final answer
    x = 318,023.94

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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.