Home / 230,150.00-317,594.95-128,173.61

Finding the Fourth Proportional to 230,150.00, 317,594.95 and 128,173.61

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Solution

The fourth proportional to 230,150.00, 317,594.95 and 128,173.61 is: 176,872.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,150.00 : 317,594.95 = 128,173.61 : x
  2. Step 2: Convert to fraction form
    230,150.00/317,594.95 = 128,173.61/x
  3. Step 3: Cross multiply
    230,150.00x = 317,594.95 × 128,173.61
  4. Step 4: Simplify right side
    230,150.00x = 40,707,291,732.82
  5. Step 5: Solve for x
    x = 40,707,291,732.82/230,150.00
  6. Step 6: Final answer
    x = 176,872.87

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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.