Home / 98,176.38-147,269.43-28,066.02

Finding the Fourth Proportional to 98,176.38, 147,269.43 and 28,066.02

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Solution

The fourth proportional to 98,176.38, 147,269.43 and 28,066.02 is: 42,100.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,176.38 : 147,269.43 = 28,066.02 : x
  2. Step 2: Convert to fraction form
    98,176.38/147,269.43 = 28,066.02/x
  3. Step 3: Cross multiply
    98,176.38x = 147,269.43 × 28,066.02
  4. Step 4: Simplify right side
    98,176.38x = 4,133,266,767.77
  5. Step 5: Solve for x
    x = 4,133,266,767.77/98,176.38
  6. Step 6: Final answer
    x = 42,100.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.