Home / 102,351.32-153,461.04-43,171.16

Finding the Fourth Proportional to 102,351.32, 153,461.04 and 43,171.16

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Solution

The fourth proportional to 102,351.32, 153,461.04 and 43,171.16 is: 64,728.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,351.32 : 153,461.04 = 43,171.16 : x
  2. Step 2: Convert to fraction form
    102,351.32/153,461.04 = 43,171.16/x
  3. Step 3: Cross multiply
    102,351.32x = 153,461.04 × 43,171.16
  4. Step 4: Simplify right side
    102,351.32x = 6,625,091,111.61
  5. Step 5: Solve for x
    x = 6,625,091,111.61/102,351.32
  6. Step 6: Final answer
    x = 64,728.93

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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.