Home / 218,558.12-301,617.66-127,922.50

Finding the Fourth Proportional to 218,558.12, 301,617.66 and 127,922.50

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Solution

The fourth proportional to 218,558.12, 301,617.66 and 127,922.50 is: 176,537.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,558.12 : 301,617.66 = 127,922.50 : x
  2. Step 2: Convert to fraction form
    218,558.12/301,617.66 = 127,922.50/x
  3. Step 3: Cross multiply
    218,558.12x = 301,617.66 × 127,922.50
  4. Step 4: Simplify right side
    218,558.12x = 38,583,685,111.35
  5. Step 5: Solve for x
    x = 38,583,685,111.35/218,558.12
  6. Step 6: Final answer
    x = 176,537.41

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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.