Home / 370,639.24-555,959.66-133,981.52

Finding the Fourth Proportional to 370,639.24, 555,959.66 and 133,981.52

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Solution

The fourth proportional to 370,639.24, 555,959.66 and 133,981.52 is: 200,972.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,639.24 : 555,959.66 = 133,981.52 : x
  2. Step 2: Convert to fraction form
    370,639.24/555,959.66 = 133,981.52/x
  3. Step 3: Cross multiply
    370,639.24x = 555,959.66 × 133,981.52
  4. Step 4: Simplify right side
    370,639.24x = 74,488,320,305.48
  5. Step 5: Solve for x
    x = 74,488,320,305.48/370,639.24
  6. Step 6: Final answer
    x = 200,972.57

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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.