Home / 199,923.10-298,337.45-178,631.74

Finding the Fourth Proportional to 199,923.10, 298,337.45 and 178,631.74

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Solution

The fourth proportional to 199,923.10, 298,337.45 and 178,631.74 is: 266,565.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,923.10 : 298,337.45 = 178,631.74 : x
  2. Step 2: Convert to fraction form
    199,923.10/298,337.45 = 178,631.74/x
  3. Step 3: Cross multiply
    199,923.10x = 298,337.45 × 178,631.74
  4. Step 4: Simplify right side
    199,923.10x = 53,292,537,800.66
  5. Step 5: Solve for x
    x = 53,292,537,800.66/199,923.10
  6. Step 6: Final answer
    x = 266,565.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.