Home / 153,741.72-212,082.84-125,093.40

Finding the Fourth Proportional to 153,741.72, 212,082.84 and 125,093.40

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Solution

The fourth proportional to 153,741.72, 212,082.84 and 125,093.40 is: 172,563.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,741.72 : 212,082.84 = 125,093.40 : x
  2. Step 2: Convert to fraction form
    153,741.72/212,082.84 = 125,093.40/x
  3. Step 3: Cross multiply
    153,741.72x = 212,082.84 × 125,093.40
  4. Step 4: Simplify right side
    153,741.72x = 26,530,163,537.26
  5. Step 5: Solve for x
    x = 26,530,163,537.26/153,741.72
  6. Step 6: Final answer
    x = 172,563.20

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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.