Home / 254,741.10-381,868.65-94,774.20

Finding the Fourth Proportional to 254,741.10, 381,868.65 and 94,774.20

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Solution

The fourth proportional to 254,741.10, 381,868.65 and 94,774.20 is: 142,070.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,741.10 : 381,868.65 = 94,774.20 : x
  2. Step 2: Convert to fraction form
    254,741.10/381,868.65 = 94,774.20/x
  3. Step 3: Cross multiply
    254,741.10x = 381,868.65 × 94,774.20
  4. Step 4: Simplify right side
    254,741.10x = 36,191,295,808.83
  5. Step 5: Solve for x
    x = 36,191,295,808.83/254,741.10
  6. Step 6: Final answer
    x = 142,070.89

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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.