Home / 239,519.76-359,383.32-128,582.16

Finding the Fourth Proportional to 239,519.76, 359,383.32 and 128,582.16

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Solution

The fourth proportional to 239,519.76, 359,383.32 and 128,582.16 is: 192,928.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,519.76 : 359,383.32 = 128,582.16 : x
  2. Step 2: Convert to fraction form
    239,519.76/359,383.32 = 128,582.16/x
  3. Step 3: Cross multiply
    239,519.76x = 359,383.32 × 128,582.16
  4. Step 4: Simplify right side
    239,519.76x = 46,210,283,553.57
  5. Step 5: Solve for x
    x = 46,210,283,553.57/239,519.76
  6. Step 6: Final answer
    x = 192,928.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.