Home / 197,416.34-272,434.59-111,393.55

Finding the Fourth Proportional to 197,416.34, 272,434.59 and 111,393.55

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Solution

The fourth proportional to 197,416.34, 272,434.59 and 111,393.55 is: 153,723.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,416.34 : 272,434.59 = 111,393.55 : x
  2. Step 2: Convert to fraction form
    197,416.34/272,434.59 = 111,393.55/x
  3. Step 3: Cross multiply
    197,416.34x = 272,434.59 × 111,393.55
  4. Step 4: Simplify right side
    197,416.34x = 30,347,457,229.66
  5. Step 5: Solve for x
    x = 30,347,457,229.66/197,416.34
  6. Step 6: Final answer
    x = 153,723.13

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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.