Home / 180,051.38-248,473.51-99,480.76

Finding the Fourth Proportional to 180,051.38, 248,473.51 and 99,480.76

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Solution

The fourth proportional to 180,051.38, 248,473.51 and 99,480.76 is: 137,284.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,051.38 : 248,473.51 = 99,480.76 : x
  2. Step 2: Convert to fraction form
    180,051.38/248,473.51 = 99,480.76/x
  3. Step 3: Cross multiply
    180,051.38x = 248,473.51 × 99,480.76
  4. Step 4: Simplify right side
    180,051.38x = 24,718,333,614.67
  5. Step 5: Solve for x
    x = 24,718,333,614.67/180,051.38
  6. Step 6: Final answer
    x = 137,284.89

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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.