Home / 154,783.12-232,278.24-56,287.12

Finding the Fourth Proportional to 154,783.12, 232,278.24 and 56,287.12

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Solution

The fourth proportional to 154,783.12, 232,278.24 and 56,287.12 is: 84,468.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,783.12 : 232,278.24 = 56,287.12 : x
  2. Step 2: Convert to fraction form
    154,783.12/232,278.24 = 56,287.12/x
  3. Step 3: Cross multiply
    154,783.12x = 232,278.24 × 56,287.12
  4. Step 4: Simplify right side
    154,783.12x = 13,074,273,168.27
  5. Step 5: Solve for x
    x = 13,074,273,168.27/154,783.12
  6. Step 6: Final answer
    x = 84,468.34

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1.5x scale

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.