Home / 217,374.03-326,557.98-154,349.55

Finding the Fourth Proportional to 217,374.03, 326,557.98 and 154,349.55

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Solution

The fourth proportional to 217,374.03, 326,557.98 and 154,349.55 is: 231,877.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,374.03 : 326,557.98 = 154,349.55 : x
  2. Step 2: Convert to fraction form
    217,374.03/326,557.98 = 154,349.55/x
  3. Step 3: Cross multiply
    217,374.03x = 326,557.98 × 154,349.55
  4. Step 4: Simplify right side
    217,374.03x = 50,404,077,261.91
  5. Step 5: Solve for x
    x = 50,404,077,261.91/217,374.03
  6. Step 6: Final answer
    x = 231,877.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.