Home / 170,390.75-235,139.24-98,812.27

Finding the Fourth Proportional to 170,390.75, 235,139.24 and 98,812.27

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Solution

The fourth proportional to 170,390.75, 235,139.24 and 98,812.27 is: 136,360.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,390.75 : 235,139.24 = 98,812.27 : x
  2. Step 2: Convert to fraction form
    170,390.75/235,139.24 = 98,812.27/x
  3. Step 3: Cross multiply
    170,390.75x = 235,139.24 × 98,812.27
  4. Step 4: Simplify right side
    170,390.75x = 23,234,641,729.66
  5. Step 5: Solve for x
    x = 23,234,641,729.66/170,390.75
  6. Step 6: Final answer
    x = 136,360.93

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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.