Home / 331,402.32-457,335.12-180,499.32

Finding the Fourth Proportional to 331,402.32, 457,335.12 and 180,499.32

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Solution

The fourth proportional to 331,402.32, 457,335.12 and 180,499.32 is: 249,089.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,402.32 : 457,335.12 = 180,499.32 : x
  2. Step 2: Convert to fraction form
    331,402.32/457,335.12 = 180,499.32/x
  3. Step 3: Cross multiply
    331,402.32x = 457,335.12 × 180,499.32
  4. Step 4: Simplify right side
    331,402.32x = 82,548,678,172.12
  5. Step 5: Solve for x
    x = 82,548,678,172.12/331,402.32
  6. Step 6: Final answer
    x = 249,089.02

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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.