Home / 162,313.03-243,495.71-49,993.21

Finding the Fourth Proportional to 162,313.03, 243,495.71 and 49,993.21

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Solution

The fourth proportional to 162,313.03, 243,495.71 and 49,993.21 is: 74,997.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,313.03 : 243,495.71 = 49,993.21 : x
  2. Step 2: Convert to fraction form
    162,313.03/243,495.71 = 49,993.21/x
  3. Step 3: Cross multiply
    162,313.03x = 243,495.71 × 49,993.21
  4. Step 4: Simplify right side
    162,313.03x = 12,173,132,164.13
  5. Step 5: Solve for x
    x = 12,173,132,164.13/162,313.03
  6. Step 6: Final answer
    x = 74,997.87

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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.