Home / 197,306.47-272,309.58-111,283.10

Finding the Fourth Proportional to 197,306.47, 272,309.58 and 111,283.10

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Solution

The fourth proportional to 197,306.47, 272,309.58 and 111,283.10 is: 153,585.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,306.47 : 272,309.58 = 111,283.10 : x
  2. Step 2: Convert to fraction form
    197,306.47/272,309.58 = 111,283.10/x
  3. Step 3: Cross multiply
    197,306.47x = 272,309.58 × 111,283.10
  4. Step 4: Simplify right side
    197,306.47x = 30,303,454,222.10
  5. Step 5: Solve for x
    x = 30,303,454,222.10/197,306.47
  6. Step 6: Final answer
    x = 153,585.71

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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.