Home / 233,275.56-321,809.40-137,718.24

Finding the Fourth Proportional to 233,275.56, 321,809.40 and 137,718.24

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Solution

The fourth proportional to 233,275.56, 321,809.40 and 137,718.24 is: 189,985.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,275.56 : 321,809.40 = 137,718.24 : x
  2. Step 2: Convert to fraction form
    233,275.56/321,809.40 = 137,718.24/x
  3. Step 3: Cross multiply
    233,275.56x = 321,809.40 × 137,718.24
  4. Step 4: Simplify right side
    233,275.56x = 44,319,024,183.46
  5. Step 5: Solve for x
    x = 44,319,024,183.46/233,275.56
  6. Step 6: Final answer
    x = 189,985.72

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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.