Home / 218,297.11-301,204.58-127,635.48

Finding the Fourth Proportional to 218,297.11, 301,204.58 and 127,635.48

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Solution

The fourth proportional to 218,297.11, 301,204.58 and 127,635.48 is: 176,110.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,297.11 : 301,204.58 = 127,635.48 : x
  2. Step 2: Convert to fraction form
    218,297.11/301,204.58 = 127,635.48/x
  3. Step 3: Cross multiply
    218,297.11x = 301,204.58 × 127,635.48
  4. Step 4: Simplify right side
    218,297.11x = 38,444,391,779.03
  5. Step 5: Solve for x
    x = 38,444,391,779.03/218,297.11
  6. Step 6: Final answer
    x = 176,110.40

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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.