Home / 250,797.76-346,090.40-137,613.20

Finding the Fourth Proportional to 250,797.76, 346,090.40 and 137,613.20

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Solution

The fourth proportional to 250,797.76, 346,090.40 and 137,613.20 is: 189,900.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,797.76 : 346,090.40 = 137,613.20 : x
  2. Step 2: Convert to fraction form
    250,797.76/346,090.40 = 137,613.20/x
  3. Step 3: Cross multiply
    250,797.76x = 346,090.40 × 137,613.20
  4. Step 4: Simplify right side
    250,797.76x = 47,626,607,433.28
  5. Step 5: Solve for x
    x = 47,626,607,433.28/250,797.76
  6. Step 6: Final answer
    x = 189,900.45

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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.