Home / 370,276.31-555,416.29-89,793.56

Finding the Fourth Proportional to 370,276.31, 555,416.29 and 89,793.56

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Solution

The fourth proportional to 370,276.31, 555,416.29 and 89,793.56 is: 134,690.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,276.31 : 555,416.29 = 89,793.56 : x
  2. Step 2: Convert to fraction form
    370,276.31/555,416.29 = 89,793.56/x
  3. Step 3: Cross multiply
    370,276.31x = 555,416.29 × 89,793.56
  4. Step 4: Simplify right side
    370,276.31x = 49,872,807,461.88
  5. Step 5: Solve for x
    x = 49,872,807,461.88/370,276.31
  6. Step 6: Final answer
    x = 134,690.79

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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.