Home / 251,856.60-347,557.80-144,420.36

Finding the Fourth Proportional to 251,856.60, 347,557.80 and 144,420.36

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Solution

The fourth proportional to 251,856.60, 347,557.80 and 144,420.36 is: 199,297.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,856.60 : 347,557.80 = 144,420.36 : x
  2. Step 2: Convert to fraction form
    251,856.60/347,557.80 = 144,420.36/x
  3. Step 3: Cross multiply
    251,856.60x = 347,557.80 × 144,420.36
  4. Step 4: Simplify right side
    251,856.60x = 50,194,422,596.81
  5. Step 5: Solve for x
    x = 50,194,422,596.81/251,856.60
  6. Step 6: Final answer
    x = 199,297.63

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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.