Home / 176,319.78-243,336.37-99,852.38

Finding the Fourth Proportional to 176,319.78, 243,336.37 and 99,852.38

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Solution

The fourth proportional to 176,319.78, 243,336.37 and 99,852.38 is: 137,804.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,319.78 : 243,336.37 = 99,852.38 : x
  2. Step 2: Convert to fraction form
    176,319.78/243,336.37 = 99,852.38/x
  3. Step 3: Cross multiply
    176,319.78x = 243,336.37 × 99,852.38
  4. Step 4: Simplify right side
    176,319.78x = 24,297,716,687.25
  5. Step 5: Solve for x
    x = 24,297,716,687.25/176,319.78
  6. Step 6: Final answer
    x = 137,804.83

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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.