Home / 268,101.60-402,220.47-124,111.23

Finding the Fourth Proportional to 268,101.60, 402,220.47 and 124,111.23

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Solution

The fourth proportional to 268,101.60, 402,220.47 and 124,111.23 is: 186,198.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,101.60 : 402,220.47 = 124,111.23 : x
  2. Step 2: Convert to fraction form
    268,101.60/402,220.47 = 124,111.23/x
  3. Step 3: Cross multiply
    268,101.60x = 402,220.47 × 124,111.23
  4. Step 4: Simplify right side
    268,101.60x = 49,920,077,262.88
  5. Step 5: Solve for x
    x = 49,920,077,262.88/268,101.60
  6. Step 6: Final answer
    x = 186,198.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.