Home / 233,013.47-321,555.52-131,038.90

Finding the Fourth Proportional to 233,013.47, 321,555.52 and 131,038.90

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Solution

The fourth proportional to 233,013.47, 321,555.52 and 131,038.90 is: 180,831.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,013.47 : 321,555.52 = 131,038.90 : x
  2. Step 2: Convert to fraction form
    233,013.47/321,555.52 = 131,038.90/x
  3. Step 3: Cross multiply
    233,013.47x = 321,555.52 × 131,038.90
  4. Step 4: Simplify right side
    233,013.47x = 42,136,279,366.76
  5. Step 5: Solve for x
    x = 42,136,279,366.76/233,013.47
  6. Step 6: Final answer
    x = 180,831.95

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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.