Home / 236,637.45-326,572.91-129,217.45

Finding the Fourth Proportional to 236,637.45, 326,572.91 and 129,217.45

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Solution

The fourth proportional to 236,637.45, 326,572.91 and 129,217.45 is: 178,327.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,637.45 : 326,572.91 = 129,217.45 : x
  2. Step 2: Convert to fraction form
    236,637.45/326,572.91 = 129,217.45/x
  3. Step 3: Cross multiply
    236,637.45x = 326,572.91 × 129,217.45
  4. Step 4: Simplify right side
    236,637.45x = 42,198,918,669.28
  5. Step 5: Solve for x
    x = 42,198,918,669.28/236,637.45
  6. Step 6: Final answer
    x = 178,327.30

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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.