Home / 117,143.02-175,712.96-28,397.29

Finding the Fourth Proportional to 117,143.02, 175,712.96 and 28,397.29

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Solution

The fourth proportional to 117,143.02, 175,712.96 and 28,397.29 is: 42,595.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,143.02 : 175,712.96 = 28,397.29 : x
  2. Step 2: Convert to fraction form
    117,143.02/175,712.96 = 28,397.29/x
  3. Step 3: Cross multiply
    117,143.02x = 175,712.96 × 28,397.29
  4. Step 4: Simplify right side
    117,143.02x = 4,989,771,739.89
  5. Step 5: Solve for x
    x = 4,989,771,739.89/117,143.02
  6. Step 6: Final answer
    x = 42,595.55

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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.