Home / 107,640.96-148,532.16-62,319.84

Finding the Fourth Proportional to 107,640.96, 148,532.16 and 62,319.84

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Solution

The fourth proportional to 107,640.96, 148,532.16 and 62,319.84 is: 85,994.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,640.96 : 148,532.16 = 62,319.84 : x
  2. Step 2: Convert to fraction form
    107,640.96/148,532.16 = 62,319.84/x
  3. Step 3: Cross multiply
    107,640.96x = 148,532.16 × 62,319.84
  4. Step 4: Simplify right side
    107,640.96x = 9,256,500,446.05
  5. Step 5: Solve for x
    x = 9,256,500,446.05/107,640.96
  6. Step 6: Final answer
    x = 85,994.22

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1.5x scale

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.