Home / 236,616.81-326,531.93-151,734.21

Finding the Fourth Proportional to 236,616.81, 326,531.93 and 151,734.21

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Solution

The fourth proportional to 236,616.81, 326,531.93 and 151,734.21 is: 209,393.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,616.81 : 326,531.93 = 151,734.21 : x
  2. Step 2: Convert to fraction form
    236,616.81/326,531.93 = 151,734.21/x
  3. Step 3: Cross multiply
    236,616.81x = 326,531.93 × 151,734.21
  4. Step 4: Simplify right side
    236,616.81x = 49,546,064,438.33
  5. Step 5: Solve for x
    x = 49,546,064,438.33/236,616.81
  6. Step 6: Final answer
    x = 209,393.68

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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.