Home / 155,434.23-214,499.25-88,366.23

Finding the Fourth Proportional to 155,434.23, 214,499.25 and 88,366.23

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Solution

The fourth proportional to 155,434.23, 214,499.25 and 88,366.23 is: 121,945.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,434.23 : 214,499.25 = 88,366.23 : x
  2. Step 2: Convert to fraction form
    155,434.23/214,499.25 = 88,366.23/x
  3. Step 3: Cross multiply
    155,434.23x = 214,499.25 × 88,366.23
  4. Step 4: Simplify right side
    155,434.23x = 18,954,490,060.33
  5. Step 5: Solve for x
    x = 18,954,490,060.33/155,434.23
  6. Step 6: Final answer
    x = 121,945.40

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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.