Home / 155,092.16-214,025.28-88,019.84

Finding the Fourth Proportional to 155,092.16, 214,025.28 and 88,019.84

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Solution

The fourth proportional to 155,092.16, 214,025.28 and 88,019.84 is: 121,466.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,092.16 : 214,025.28 = 88,019.84 : x
  2. Step 2: Convert to fraction form
    155,092.16/214,025.28 = 88,019.84/x
  3. Step 3: Cross multiply
    155,092.16x = 214,025.28 × 88,019.84
  4. Step 4: Simplify right side
    155,092.16x = 18,838,470,901.56
  5. Step 5: Solve for x
    x = 18,838,470,901.56/155,092.16
  6. Step 6: Final answer
    x = 121,466.30

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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.