Home / 303,717.12-455,587.72-114,158.40

Finding the Fourth Proportional to 303,717.12, 455,587.72 and 114,158.40

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Solution

The fourth proportional to 303,717.12, 455,587.72 and 114,158.40 is: 171,242.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,717.12 : 455,587.72 = 114,158.40 : x
  2. Step 2: Convert to fraction form
    303,717.12/455,587.72 = 114,158.40/x
  3. Step 3: Cross multiply
    303,717.12x = 455,587.72 × 114,158.40
  4. Step 4: Simplify right side
    303,717.12x = 52,009,165,174.85
  5. Step 5: Solve for x
    x = 52,009,165,174.85/303,717.12
  6. Step 6: Final answer
    x = 171,242.13

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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.