Home / 615,102.72-922,789.50-188,697.24

Finding the Fourth Proportional to 615,102.72, 922,789.50 and 188,697.24

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Solution

The fourth proportional to 615,102.72, 922,789.50 and 188,697.24 is: 283,087.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,102.72 : 922,789.50 = 188,697.24 : x
  2. Step 2: Convert to fraction form
    615,102.72/922,789.50 = 188,697.24/x
  3. Step 3: Cross multiply
    615,102.72x = 922,789.50 × 188,697.24
  4. Step 4: Simplify right side
    615,102.72x = 174,127,831,750.98
  5. Step 5: Solve for x
    x = 174,127,831,750.98/615,102.72
  6. Step 6: Final answer
    x = 283,087.40

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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.