Home / 107,787.16-148,626.66-88,347.16

Finding the Fourth Proportional to 107,787.16, 148,626.66 and 88,347.16

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Solution

The fourth proportional to 107,787.16, 148,626.66 and 88,347.16 is: 121,821.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,787.16 : 148,626.66 = 88,347.16 : x
  2. Step 2: Convert to fraction form
    107,787.16/148,626.66 = 88,347.16/x
  3. Step 3: Cross multiply
    107,787.16x = 148,626.66 × 88,347.16
  4. Step 4: Simplify right side
    107,787.16x = 13,130,743,311.29
  5. Step 5: Solve for x
    x = 13,130,743,311.29/107,787.16
  6. Step 6: Final answer
    x = 121,821.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.