Home / 318,484.36-439,507.92-191,160.52

Finding the Fourth Proportional to 318,484.36, 439,507.92 and 191,160.52

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Solution

The fourth proportional to 318,484.36, 439,507.92 and 191,160.52 is: 263,801.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,484.36 : 439,507.92 = 191,160.52 : x
  2. Step 2: Convert to fraction form
    318,484.36/439,507.92 = 191,160.52/x
  3. Step 3: Cross multiply
    318,484.36x = 439,507.92 × 191,160.52
  4. Step 4: Simplify right side
    318,484.36x = 84,016,562,531.32
  5. Step 5: Solve for x
    x = 84,016,562,531.32/318,484.36
  6. Step 6: Final answer
    x = 263,801.22

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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.