Home / 208,932.28-288,563.94-140,831.80

Finding the Fourth Proportional to 208,932.28, 288,563.94 and 140,831.80

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Solution

The fourth proportional to 208,932.28, 288,563.94 and 140,831.80 is: 194,507.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,932.28 : 288,563.94 = 140,831.80 : x
  2. Step 2: Convert to fraction form
    208,932.28/288,563.94 = 140,831.80/x
  3. Step 3: Cross multiply
    208,932.28x = 288,563.94 × 140,831.80
  4. Step 4: Simplify right side
    208,932.28x = 40,638,979,085.29
  5. Step 5: Solve for x
    x = 40,638,979,085.29/208,932.28
  6. Step 6: Final answer
    x = 194,507.90

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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.