Home / 248,777.28-343,316.88-135,606.24

Finding the Fourth Proportional to 248,777.28, 343,316.88 and 135,606.24

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Solution

The fourth proportional to 248,777.28, 343,316.88 and 135,606.24 is: 187,138.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,777.28 : 343,316.88 = 135,606.24 : x
  2. Step 2: Convert to fraction form
    248,777.28/343,316.88 = 135,606.24/x
  3. Step 3: Cross multiply
    248,777.28x = 343,316.88 × 135,606.24
  4. Step 4: Simplify right side
    248,777.28x = 46,555,911,225.33
  5. Step 5: Solve for x
    x = 46,555,911,225.33/248,777.28
  6. Step 6: Final answer
    x = 187,138.92

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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.