Home / 107,162.18-147,922.08-73,146.32

Finding the Fourth Proportional to 107,162.18, 147,922.08 and 73,146.32

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Solution

The fourth proportional to 107,162.18, 147,922.08 and 73,146.32 is: 100,968.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,162.18 : 147,922.08 = 73,146.32 : x
  2. Step 2: Convert to fraction form
    107,162.18/147,922.08 = 73,146.32/x
  3. Step 3: Cross multiply
    107,162.18x = 147,922.08 × 73,146.32
  4. Step 4: Simplify right side
    107,162.18x = 10,819,955,798.75
  5. Step 5: Solve for x
    x = 10,819,955,798.75/107,162.18
  6. Step 6: Final answer
    x = 100,968.04

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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.