Home / 215,677.67-297,637.13-118,885.03

Finding the Fourth Proportional to 215,677.67, 297,637.13 and 118,885.03

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Solution

The fourth proportional to 215,677.67, 297,637.13 and 118,885.03 is: 164,062.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,677.67 : 297,637.13 = 118,885.03 : x
  2. Step 2: Convert to fraction form
    215,677.67/297,637.13 = 118,885.03/x
  3. Step 3: Cross multiply
    215,677.67x = 297,637.13 × 118,885.03
  4. Step 4: Simplify right side
    215,677.67x = 35,384,598,682.28
  5. Step 5: Solve for x
    x = 35,384,598,682.28/215,677.67
  6. Step 6: Final answer
    x = 164,062.42

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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.