Home / 330,016.16-455,422.56-179,113.12

Finding the Fourth Proportional to 330,016.16, 455,422.56 and 179,113.12

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Solution

The fourth proportional to 330,016.16, 455,422.56 and 179,113.12 is: 247,176.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,016.16 : 455,422.56 = 179,113.12 : x
  2. Step 2: Convert to fraction form
    330,016.16/455,422.56 = 179,113.12/x
  3. Step 3: Cross multiply
    330,016.16x = 455,422.56 × 179,113.12
  4. Step 4: Simplify right side
    330,016.16x = 81,572,155,639.99
  5. Step 5: Solve for x
    x = 81,572,155,639.99/330,016.16
  6. Step 6: Final answer
    x = 247,176.25

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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.