Home / 117,148.08-175,720.56-28,402.38

Finding the Fourth Proportional to 117,148.08, 175,720.56 and 28,402.38

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Solution

The fourth proportional to 117,148.08, 175,720.56 and 28,402.38 is: 42,603.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,148.08 : 175,720.56 = 28,402.38 : x
  2. Step 2: Convert to fraction form
    117,148.08/175,720.56 = 28,402.38/x
  3. Step 3: Cross multiply
    117,148.08x = 175,720.56 × 28,402.38
  4. Step 4: Simplify right side
    117,148.08x = 4,990,882,118.93
  5. Step 5: Solve for x
    x = 4,990,882,118.93/117,148.08
  6. Step 6: Final answer
    x = 42,603.19

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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.