Home / 230,035.38-317,441.40-128,057.52

Finding the Fourth Proportional to 230,035.38, 317,441.40 and 128,057.52

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Solution

The fourth proportional to 230,035.38, 317,441.40 and 128,057.52 is: 176,715.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,035.38 : 317,441.40 = 128,057.52 : x
  2. Step 2: Convert to fraction form
    230,035.38/317,441.40 = 128,057.52/x
  3. Step 3: Cross multiply
    230,035.38x = 317,441.40 × 128,057.52
  4. Step 4: Simplify right side
    230,035.38x = 40,650,758,429.33
  5. Step 5: Solve for x
    x = 40,650,758,429.33/230,035.38
  6. Step 6: Final answer
    x = 176,715.24

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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.