Home / 236,403.01-326,234.59-134,428.47

Finding the Fourth Proportional to 236,403.01, 326,234.59 and 134,428.47

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Solution

The fourth proportional to 236,403.01, 326,234.59 and 134,428.47 is: 185,510.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,403.01 : 326,234.59 = 134,428.47 : x
  2. Step 2: Convert to fraction form
    236,403.01/326,234.59 = 134,428.47/x
  3. Step 3: Cross multiply
    236,403.01x = 326,234.59 × 134,428.47
  4. Step 4: Simplify right side
    236,403.01x = 43,855,216,794.78
  5. Step 5: Solve for x
    x = 43,855,216,794.78/236,403.01
  6. Step 6: Final answer
    x = 185,510.40

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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.