Home / 161,783.10-242,559.45-61,904.70

Finding the Fourth Proportional to 161,783.10, 242,559.45 and 61,904.70

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Solution

The fourth proportional to 161,783.10, 242,559.45 and 61,904.70 is: 92,812.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,783.10 : 242,559.45 = 61,904.70 : x
  2. Step 2: Convert to fraction form
    161,783.10/242,559.45 = 61,904.70/x
  3. Step 3: Cross multiply
    161,783.10x = 242,559.45 × 61,904.70
  4. Step 4: Simplify right side
    161,783.10x = 15,015,569,984.42
  5. Step 5: Solve for x
    x = 15,015,569,984.42/161,783.10
  6. Step 6: Final answer
    x = 92,812.97

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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.