Home / 170,521.92-235,280.16-103,440.96

Finding the Fourth Proportional to 170,521.92, 235,280.16 and 103,440.96

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Solution

The fourth proportional to 170,521.92, 235,280.16 and 103,440.96 is: 142,724.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,521.92 : 235,280.16 = 103,440.96 : x
  2. Step 2: Convert to fraction form
    170,521.92/235,280.16 = 103,440.96/x
  3. Step 3: Cross multiply
    170,521.92x = 235,280.16 × 103,440.96
  4. Step 4: Simplify right side
    170,521.92x = 24,337,605,619.35
  5. Step 5: Solve for x
    x = 24,337,605,619.35/170,521.92
  6. Step 6: Final answer
    x = 142,724.21

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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.