Home / 236,646.23-326,570.49-129,215.50

Finding the Fourth Proportional to 236,646.23, 326,570.49 and 129,215.50

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Solution

The fourth proportional to 236,646.23, 326,570.49 and 129,215.50 is: 178,316.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,646.23 : 326,570.49 = 129,215.50 : x
  2. Step 2: Convert to fraction form
    236,646.23/326,570.49 = 129,215.50/x
  3. Step 3: Cross multiply
    236,646.23x = 326,570.49 × 129,215.50
  4. Step 4: Simplify right side
    236,646.23x = 42,197,968,818.73
  5. Step 5: Solve for x
    x = 42,197,968,818.73/236,646.23
  6. Step 6: Final answer
    x = 178,316.68

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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.