Home / 250,851.32-346,174.54-137,674.36

Finding the Fourth Proportional to 250,851.32, 346,174.54 and 137,674.36

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Solution

The fourth proportional to 250,851.32, 346,174.54 and 137,674.36 is: 189,990.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,851.32 : 346,174.54 = 137,674.36 : x
  2. Step 2: Convert to fraction form
    250,851.32/346,174.54 = 137,674.36/x
  3. Step 3: Cross multiply
    250,851.32x = 346,174.54 × 137,674.36
  4. Step 4: Simplify right side
    250,851.32x = 47,659,358,242.79
  5. Step 5: Solve for x
    x = 47,659,358,242.79/250,851.32
  6. Step 6: Final answer
    x = 189,990.46

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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.