Home / 251,150.12-346,585.74-137,970.44

Finding the Fourth Proportional to 251,150.12, 346,585.74 and 137,970.44

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Solution

The fourth proportional to 251,150.12, 346,585.74 and 137,970.44 is: 190,398.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,150.12 : 346,585.74 = 137,970.44 : x
  2. Step 2: Convert to fraction form
    251,150.12/346,585.74 = 137,970.44/x
  3. Step 3: Cross multiply
    251,150.12x = 346,585.74 × 137,970.44
  4. Step 4: Simplify right side
    251,150.12x = 47,818,587,045.53
  5. Step 5: Solve for x
    x = 47,818,587,045.53/251,150.12
  6. Step 6: Final answer
    x = 190,398.42

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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.