Home / 131,598.93-197,354.20-42,831.56

Finding the Fourth Proportional to 131,598.93, 197,354.20 and 42,831.56

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Solution

The fourth proportional to 131,598.93, 197,354.20 and 42,831.56 is: 64,232.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,598.93 : 197,354.20 = 42,831.56 : x
  2. Step 2: Convert to fraction form
    131,598.93/197,354.20 = 42,831.56/x
  3. Step 3: Cross multiply
    131,598.93x = 197,354.20 × 42,831.56
  4. Step 4: Simplify right side
    131,598.93x = 8,452,988,258.55
  5. Step 5: Solve for x
    x = 8,452,988,258.55/131,598.93
  6. Step 6: Final answer
    x = 64,232.96

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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.