Home / 107,110.80-159,708.59-104,168.16

Finding the Fourth Proportional to 107,110.80, 159,708.59 and 104,168.16

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Solution

The fourth proportional to 107,110.80, 159,708.59 and 104,168.16 is: 155,320.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,110.80 : 159,708.59 = 104,168.16 : x
  2. Step 2: Convert to fraction form
    107,110.80/159,708.59 = 104,168.16/x
  3. Step 3: Cross multiply
    107,110.80x = 159,708.59 × 104,168.16
  4. Step 4: Simplify right side
    107,110.80x = 16,636,549,956.49
  5. Step 5: Solve for x
    x = 16,636,549,956.49/107,110.80
  6. Step 6: Final answer
    x = 155,320.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.