Home / 313,741.15-432,961.61-177,801.01

Finding the Fourth Proportional to 313,741.15, 432,961.61 and 177,801.01

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Solution

The fourth proportional to 313,741.15, 432,961.61 and 177,801.01 is: 245,364.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,741.15 : 432,961.61 = 177,801.01 : x
  2. Step 2: Convert to fraction form
    313,741.15/432,961.61 = 177,801.01/x
  3. Step 3: Cross multiply
    313,741.15x = 432,961.61 × 177,801.01
  4. Step 4: Simplify right side
    313,741.15x = 76,981,009,577.82
  5. Step 5: Solve for x
    x = 76,981,009,577.82/313,741.15
  6. Step 6: Final answer
    x = 245,364.72

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1.5x scale

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.