Home / 218,433.38-301,445.35-133,534.04

Finding the Fourth Proportional to 218,433.38, 301,445.35 and 133,534.04

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Solution

The fourth proportional to 218,433.38, 301,445.35 and 133,534.04 is: 184,281.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,433.38 : 301,445.35 = 133,534.04 : x
  2. Step 2: Convert to fraction form
    218,433.38/301,445.35 = 133,534.04/x
  3. Step 3: Cross multiply
    218,433.38x = 301,445.35 × 133,534.04
  4. Step 4: Simplify right side
    218,433.38x = 40,253,213,583.65
  5. Step 5: Solve for x
    x = 40,253,213,583.65/218,433.38
  6. Step 6: Final answer
    x = 184,281.42

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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.