Home / 225,429.32-311,088.66-124,825.16

Finding the Fourth Proportional to 225,429.32, 311,088.66 and 124,825.16

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Solution

The fourth proportional to 225,429.32, 311,088.66 and 124,825.16 is: 172,256.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,429.32 : 311,088.66 = 124,825.16 : x
  2. Step 2: Convert to fraction form
    225,429.32/311,088.66 = 124,825.16/x
  3. Step 3: Cross multiply
    225,429.32x = 311,088.66 × 124,825.16
  4. Step 4: Simplify right side
    225,429.32x = 38,831,691,758.69
  5. Step 5: Solve for x
    x = 38,831,691,758.69/225,429.32
  6. Step 6: Final answer
    x = 172,256.62

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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.