Home / 197,347.16-272,335-107,923.16

Finding the Fourth Proportional to 197,347.16, 272,335 and 107,923.16

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Solution

The fourth proportional to 197,347.16, 272,335 and 107,923.16 is: 148,931.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,347.16 : 272,335 = 107,923.16 : x
  2. Step 2: Convert to fraction form
    197,347.16/272,335 = 107,923.16/x
  3. Step 3: Cross multiply
    197,347.16x = 272,335 × 107,923.16
  4. Step 4: Simplify right side
    197,347.16x = 29,391,253,778.60
  5. Step 5: Solve for x
    x = 29,391,253,778.60/197,347.16
  6. Step 6: Final answer
    x = 148,931.73

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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.