Home / 205,608.16-283,900.08-157,785.76

Finding the Fourth Proportional to 205,608.16, 283,900.08 and 157,785.76

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Solution

The fourth proportional to 205,608.16, 283,900.08 and 157,785.76 is: 217,867.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,608.16 : 283,900.08 = 157,785.76 : x
  2. Step 2: Convert to fraction form
    205,608.16/283,900.08 = 157,785.76/x
  3. Step 3: Cross multiply
    205,608.16x = 283,900.08 × 157,785.76
  4. Step 4: Simplify right side
    205,608.16x = 44,795,389,886.86
  5. Step 5: Solve for x
    x = 44,795,389,886.86/205,608.16
  6. Step 6: Final answer
    x = 217,867.76

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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.