Home / 236,402.78-326,234.25-134,428.23

Finding the Fourth Proportional to 236,402.78, 326,234.25 and 134,428.23

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Solution

The fourth proportional to 236,402.78, 326,234.25 and 134,428.23 is: 185,510.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,402.78 : 326,234.25 = 134,428.23 : x
  2. Step 2: Convert to fraction form
    236,402.78/326,234.25 = 134,428.23/x
  3. Step 3: Cross multiply
    236,402.78x = 326,234.25 × 134,428.23
  4. Step 4: Simplify right side
    236,402.78x = 43,855,092,792.88
  5. Step 5: Solve for x
    x = 43,855,092,792.88/236,402.78
  6. Step 6: Final answer
    x = 185,510.06

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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.