Home / 236,933.86-326,969.32-129,505.18

Finding the Fourth Proportional to 236,933.86, 326,969.32 and 129,505.18

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Solution

The fourth proportional to 236,933.86, 326,969.32 and 129,505.18 is: 178,717.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,933.86 : 326,969.32 = 129,505.18 : x
  2. Step 2: Convert to fraction form
    236,933.86/326,969.32 = 129,505.18/x
  3. Step 3: Cross multiply
    236,933.86x = 326,969.32 × 129,505.18
  4. Step 4: Simplify right side
    236,933.86x = 42,344,220,641.08
  5. Step 5: Solve for x
    x = 42,344,220,641.08/236,933.86
  6. Step 6: Final answer
    x = 178,717.47

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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.