Home / 236,608.81-326,520.90-151,726.21

Finding the Fourth Proportional to 236,608.81, 326,520.90 and 151,726.21

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Solution

The fourth proportional to 236,608.81, 326,520.90 and 151,726.21 is: 209,382.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,608.81 : 326,520.90 = 151,726.21 : x
  2. Step 2: Convert to fraction form
    236,608.81/326,520.90 = 151,726.21/x
  3. Step 3: Cross multiply
    236,608.81x = 326,520.90 × 151,726.21
  4. Step 4: Simplify right side
    236,608.81x = 49,541,778,642.79
  5. Step 5: Solve for x
    x = 49,541,778,642.79/236,608.81
  6. Step 6: Final answer
    x = 209,382.65

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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.