Home / 161,807.10-242,667.45-49,487.10

Finding the Fourth Proportional to 161,807.10, 242,667.45 and 49,487.10

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Solution

The fourth proportional to 161,807.10, 242,667.45 and 49,487.10 is: 74,217.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,807.10 : 242,667.45 = 49,487.10 : x
  2. Step 2: Convert to fraction form
    161,807.10/242,667.45 = 49,487.10/x
  3. Step 3: Cross multiply
    161,807.10x = 242,667.45 × 49,487.10
  4. Step 4: Simplify right side
    161,807.10x = 12,008,908,364.90
  5. Step 5: Solve for x
    x = 12,008,908,364.90/161,807.10
  6. Step 6: Final answer
    x = 74,217.44

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1.5x scale

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.