Home / 197,182.22-272,111.48-112,307.18

Finding the Fourth Proportional to 197,182.22, 272,111.48 and 112,307.18

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Solution

The fourth proportional to 197,182.22, 272,111.48 and 112,307.18 is: 154,983.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,182.22 : 272,111.48 = 112,307.18 : x
  2. Step 2: Convert to fraction form
    197,182.22/272,111.48 = 112,307.18/x
  3. Step 3: Cross multiply
    197,182.22x = 272,111.48 × 112,307.18
  4. Step 4: Simplify right side
    197,182.22x = 30,560,071,042.33
  5. Step 5: Solve for x
    x = 30,560,071,042.33/197,182.22
  6. Step 6: Final answer
    x = 154,983.91

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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.