Home / 237,417.77-327,634.38-128,521.57

Finding the Fourth Proportional to 237,417.77, 327,634.38 and 128,521.57

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Solution

The fourth proportional to 237,417.77, 327,634.38 and 128,521.57 is: 177,358.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,417.77 : 327,634.38 = 128,521.57 : x
  2. Step 2: Convert to fraction form
    237,417.77/327,634.38 = 128,521.57/x
  3. Step 3: Cross multiply
    237,417.77x = 327,634.38 × 128,521.57
  4. Step 4: Simplify right side
    237,417.77x = 42,108,084,903.58
  5. Step 5: Solve for x
    x = 42,108,084,903.58/237,417.77
  6. Step 6: Final answer
    x = 177,358.61

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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.