Home / 330,470.32-456,050.56-187,258.26

Finding the Fourth Proportional to 330,470.32, 456,050.56 and 187,258.26

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Solution

The fourth proportional to 330,470.32, 456,050.56 and 187,258.26 is: 258,417.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,470.32 : 456,050.56 = 187,258.26 : x
  2. Step 2: Convert to fraction form
    330,470.32/456,050.56 = 187,258.26/x
  3. Step 3: Cross multiply
    330,470.32x = 456,050.56 × 187,258.26
  4. Step 4: Simplify right side
    330,470.32x = 85,399,234,337.63
  5. Step 5: Solve for x
    x = 85,399,234,337.63/330,470.32
  6. Step 6: Final answer
    x = 258,417.26

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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.