Home / 225,438.32-311,101.04-124,834.16

Finding the Fourth Proportional to 225,438.32, 311,101.04 and 124,834.16

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Solution

The fourth proportional to 225,438.32, 311,101.04 and 124,834.16 is: 172,269.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,438.32 : 311,101.04 = 124,834.16 : x
  2. Step 2: Convert to fraction form
    225,438.32/311,101.04 = 124,834.16/x
  3. Step 3: Cross multiply
    225,438.32x = 311,101.04 × 124,834.16
  4. Step 4: Simplify right side
    225,438.32x = 38,836,037,003.53
  5. Step 5: Solve for x
    x = 38,836,037,003.53/225,438.32
  6. Step 6: Final answer
    x = 172,269.01

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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.