Home / 154,818.81-232,240.64-66,073.32

Finding the Fourth Proportional to 154,818.81, 232,240.64 and 66,073.32

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Solution

The fourth proportional to 154,818.81, 232,240.64 and 66,073.32 is: 99,115.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,818.81 : 232,240.64 = 66,073.32 : x
  2. Step 2: Convert to fraction form
    154,818.81/232,240.64 = 66,073.32/x
  3. Step 3: Cross multiply
    154,818.81x = 232,240.64 × 66,073.32
  4. Step 4: Simplify right side
    154,818.81x = 15,344,909,793.36
  5. Step 5: Solve for x
    x = 15,344,909,793.36/154,818.81
  6. Step 6: Final answer
    x = 99,115.28

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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.