Home / 105,531.30-158,298.57-35,411.22

Finding the Fourth Proportional to 105,531.30, 158,298.57 and 35,411.22

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Solution

The fourth proportional to 105,531.30, 158,298.57 and 35,411.22 is: 53,117.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,531.30 : 158,298.57 = 35,411.22 : x
  2. Step 2: Convert to fraction form
    105,531.30/158,298.57 = 35,411.22/x
  3. Step 3: Cross multiply
    105,531.30x = 158,298.57 × 35,411.22
  4. Step 4: Simplify right side
    105,531.30x = 5,605,545,487.96
  5. Step 5: Solve for x
    x = 5,605,545,487.96/105,531.30
  6. Step 6: Final answer
    x = 53,117.37

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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.