Home / 217,967.36-326,948.94-129,156.93

Finding the Fourth Proportional to 217,967.36, 326,948.94 and 129,156.93

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Solution

The fourth proportional to 217,967.36, 326,948.94 and 129,156.93 is: 193,734.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,967.36 : 326,948.94 = 129,156.93 : x
  2. Step 2: Convert to fraction form
    217,967.36/326,948.94 = 129,156.93/x
  3. Step 3: Cross multiply
    217,967.36x = 326,948.94 × 129,156.93
  4. Step 4: Simplify right side
    217,967.36x = 42,227,721,357.15
  5. Step 5: Solve for x
    x = 42,227,721,357.15/217,967.36
  6. Step 6: Final answer
    x = 193,734.16

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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.