Home / 197,291.74-272,279.28-120,810.46

Finding the Fourth Proportional to 197,291.74, 272,279.28 and 120,810.46

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Solution

The fourth proportional to 197,291.74, 272,279.28 and 120,810.46 is: 166,728.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,291.74 : 272,279.28 = 120,810.46 : x
  2. Step 2: Convert to fraction form
    197,291.74/272,279.28 = 120,810.46/x
  3. Step 3: Cross multiply
    197,291.74x = 272,279.28 × 120,810.46
  4. Step 4: Simplify right side
    197,291.74x = 32,894,185,065.27
  5. Step 5: Solve for x
    x = 32,894,185,065.27/197,291.74
  6. Step 6: Final answer
    x = 166,728.65

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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.