Home / 195,155.52-292,831.68-76,911.60

Finding the Fourth Proportional to 195,155.52, 292,831.68 and 76,911.60

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Solution

The fourth proportional to 195,155.52, 292,831.68 and 76,911.60 is: 115,406.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,155.52 : 292,831.68 = 76,911.60 : x
  2. Step 2: Convert to fraction form
    195,155.52/292,831.68 = 76,911.60/x
  3. Step 3: Cross multiply
    195,155.52x = 292,831.68 × 76,911.60
  4. Step 4: Simplify right side
    195,155.52x = 22,522,153,039.49
  5. Step 5: Solve for x
    x = 22,522,153,039.49/195,155.52
  6. Step 6: Final answer
    x = 115,406.18

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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.