Home / 236,824.48-326,813.96-129,392.20

Finding the Fourth Proportional to 236,824.48, 326,813.96 and 129,392.20

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Solution

The fourth proportional to 236,824.48, 326,813.96 and 129,392.20 is: 178,559.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,824.48 : 326,813.96 = 129,392.20 : x
  2. Step 2: Convert to fraction form
    236,824.48/326,813.96 = 129,392.20/x
  3. Step 3: Cross multiply
    236,824.48x = 326,813.96 × 129,392.20
  4. Step 4: Simplify right side
    236,824.48x = 42,287,177,275.11
  5. Step 5: Solve for x
    x = 42,287,177,275.11/236,824.48
  6. Step 6: Final answer
    x = 178,559.15

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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.