Home / 189,600.06-284,483.12-89,831.55

Finding the Fourth Proportional to 189,600.06, 284,483.12 and 89,831.55

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Solution

The fourth proportional to 189,600.06, 284,483.12 and 89,831.55 is: 134,786.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,600.06 : 284,483.12 = 89,831.55 : x
  2. Step 2: Convert to fraction form
    189,600.06/284,483.12 = 89,831.55/x
  3. Step 3: Cross multiply
    189,600.06x = 284,483.12 × 89,831.55
  4. Step 4: Simplify right side
    189,600.06x = 25,555,559,618.44
  5. Step 5: Solve for x
    x = 25,555,559,618.44/189,600.06
  6. Step 6: Final answer
    x = 134,786.66

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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.