Home / 242,074.54-334,055.93-131,689.72

Finding the Fourth Proportional to 242,074.54, 334,055.93 and 131,689.72

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Solution

The fourth proportional to 242,074.54, 334,055.93 and 131,689.72 is: 181,728.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,074.54 : 334,055.93 = 131,689.72 : x
  2. Step 2: Convert to fraction form
    242,074.54/334,055.93 = 131,689.72/x
  3. Step 3: Cross multiply
    242,074.54x = 334,055.93 × 131,689.72
  4. Step 4: Simplify right side
    242,074.54x = 43,991,730,392.45
  5. Step 5: Solve for x
    x = 43,991,730,392.45/242,074.54
  6. Step 6: Final answer
    x = 181,728.04

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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.