Home / 248,101.24-342,376.50-134,921.56

Finding the Fourth Proportional to 248,101.24, 342,376.50 and 134,921.56

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Solution

The fourth proportional to 248,101.24, 342,376.50 and 134,921.56 is: 186,190.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,101.24 : 342,376.50 = 134,921.56 : x
  2. Step 2: Convert to fraction form
    248,101.24/342,376.50 = 134,921.56/x
  3. Step 3: Cross multiply
    248,101.24x = 342,376.50 × 134,921.56
  4. Step 4: Simplify right side
    248,101.24x = 46,193,971,487.34
  5. Step 5: Solve for x
    x = 46,193,971,487.34/248,101.24
  6. Step 6: Final answer
    x = 186,190.01

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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.