Home / 107,112.80-159,711.57-104,170.16

Finding the Fourth Proportional to 107,112.80, 159,711.57 and 104,170.16

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Solution

The fourth proportional to 107,112.80, 159,711.57 and 104,170.16 is: 155,323.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,112.80 : 159,711.57 = 104,170.16 : x
  2. Step 2: Convert to fraction form
    107,112.80/159,711.57 = 104,170.16/x
  3. Step 3: Cross multiply
    107,112.80x = 159,711.57 × 104,170.16
  4. Step 4: Simplify right side
    107,112.80x = 16,637,179,002.19
  5. Step 5: Solve for x
    x = 16,637,179,002.19/107,112.80
  6. Step 6: Final answer
    x = 155,323.92

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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.