Home / 458,444.02-687,933.60-192,184.06

Finding the Fourth Proportional to 458,444.02, 687,933.60 and 192,184.06

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Solution

The fourth proportional to 458,444.02, 687,933.60 and 192,184.06 is: 288,388.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,444.02 : 687,933.60 = 192,184.06 : x
  2. Step 2: Convert to fraction form
    458,444.02/687,933.60 = 192,184.06/x
  3. Step 3: Cross multiply
    458,444.02x = 687,933.60 × 192,184.06
  4. Step 4: Simplify right side
    458,444.02x = 132,209,872,258.42
  5. Step 5: Solve for x
    x = 132,209,872,258.42/458,444.02
  6. Step 6: Final answer
    x = 288,388.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.