Home / 197,999.16-273,242.39-107,358.18

Finding the Fourth Proportional to 197,999.16, 273,242.39 and 107,358.18

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Solution

The fourth proportional to 197,999.16, 273,242.39 and 107,358.18 is: 148,156.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,999.16 : 273,242.39 = 107,358.18 : x
  2. Step 2: Convert to fraction form
    197,999.16/273,242.39 = 107,358.18/x
  3. Step 3: Cross multiply
    197,999.16x = 273,242.39 × 107,358.18
  4. Step 4: Simplify right side
    197,999.16x = 29,334,805,152.46
  5. Step 5: Solve for x
    x = 29,334,805,152.46/197,999.16
  6. Step 6: Final answer
    x = 148,156.21

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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.