Home / 123,350.67-170,228.07-75,594.81

Finding the Fourth Proportional to 123,350.67, 170,228.07 and 75,594.81

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Solution

The fourth proportional to 123,350.67, 170,228.07 and 75,594.81 is: 104,323.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,350.67 : 170,228.07 = 75,594.81 : x
  2. Step 2: Convert to fraction form
    123,350.67/170,228.07 = 75,594.81/x
  3. Step 3: Cross multiply
    123,350.67x = 170,228.07 × 75,594.81
  4. Step 4: Simplify right side
    123,350.67x = 12,868,358,608.32
  5. Step 5: Solve for x
    x = 12,868,358,608.32/123,350.67
  6. Step 6: Final answer
    x = 104,323.38

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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.