Home / 170,436.32-235,627.28-127,921.04

Finding the Fourth Proportional to 170,436.32, 235,627.28 and 127,921.04

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Solution

The fourth proportional to 170,436.32, 235,627.28 and 127,921.04 is: 176,850.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,436.32 : 235,627.28 = 127,921.04 : x
  2. Step 2: Convert to fraction form
    170,436.32/235,627.28 = 127,921.04/x
  3. Step 3: Cross multiply
    170,436.32x = 235,627.28 × 127,921.04
  4. Step 4: Simplify right side
    170,436.32x = 30,141,684,892.23
  5. Step 5: Solve for x
    x = 30,141,684,892.23/170,436.32
  6. Step 6: Final answer
    x = 176,850.13

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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.