Home / 107,205.56-160,816.06-28,318.76

Finding the Fourth Proportional to 107,205.56, 160,816.06 and 28,318.76

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Solution

The fourth proportional to 107,205.56, 160,816.06 and 28,318.76 is: 42,480.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,205.56 : 160,816.06 = 28,318.76 : x
  2. Step 2: Convert to fraction form
    107,205.56/160,816.06 = 28,318.76/x
  3. Step 3: Cross multiply
    107,205.56x = 160,816.06 × 28,318.76
  4. Step 4: Simplify right side
    107,205.56x = 4,554,111,407.29
  5. Step 5: Solve for x
    x = 4,554,111,407.29/107,205.56
  6. Step 6: Final answer
    x = 42,480.18

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1.5x scale

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.