Home / 162,475.79-243,653.99-55,829.50

Finding the Fourth Proportional to 162,475.79, 243,653.99 and 55,829.50

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Solution

The fourth proportional to 162,475.79, 243,653.99 and 55,829.50 is: 83,723.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,475.79 : 243,653.99 = 55,829.50 : x
  2. Step 2: Convert to fraction form
    162,475.79/243,653.99 = 55,829.50/x
  3. Step 3: Cross multiply
    162,475.79x = 243,653.99 × 55,829.50
  4. Step 4: Simplify right side
    162,475.79x = 13,603,081,231.02
  5. Step 5: Solve for x
    x = 13,603,081,231.02/162,475.79
  6. Step 6: Final answer
    x = 83,723.74

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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.