Home / 154,697.15-232,045.89-42,378.33

Finding the Fourth Proportional to 154,697.15, 232,045.89 and 42,378.33

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Solution

The fourth proportional to 154,697.15, 232,045.89 and 42,378.33 is: 63,567.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,697.15 : 232,045.89 = 42,378.33 : x
  2. Step 2: Convert to fraction form
    154,697.15/232,045.89 = 42,378.33/x
  3. Step 3: Cross multiply
    154,697.15x = 232,045.89 × 42,378.33
  4. Step 4: Simplify right side
    154,697.15x = 9,833,717,301.56
  5. Step 5: Solve for x
    x = 9,833,717,301.56/154,697.15
  6. Step 6: Final answer
    x = 63,567.54

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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.