Home / 197,342.16-272,328.12-107,918.16

Finding the Fourth Proportional to 197,342.16, 272,328.12 and 107,918.16

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Solution

The fourth proportional to 197,342.16, 272,328.12 and 107,918.16 is: 148,924.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,342.16 : 272,328.12 = 107,918.16 : x
  2. Step 2: Convert to fraction form
    197,342.16/272,328.12 = 107,918.16/x
  3. Step 3: Cross multiply
    197,342.16x = 272,328.12 × 107,918.16
  4. Step 4: Simplify right side
    197,342.16x = 29,389,149,626.66
  5. Step 5: Solve for x
    x = 29,389,149,626.66/197,342.16
  6. Step 6: Final answer
    x = 148,924.84

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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.