Home / 117,117.24-161,621.85-63,402.26

Finding the Fourth Proportional to 117,117.24, 161,621.85 and 63,402.26

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Solution

The fourth proportional to 117,117.24, 161,621.85 and 63,402.26 is: 87,495.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,117.24 : 161,621.85 = 63,402.26 : x
  2. Step 2: Convert to fraction form
    117,117.24/161,621.85 = 63,402.26/x
  3. Step 3: Cross multiply
    117,117.24x = 161,621.85 × 63,402.26
  4. Step 4: Simplify right side
    117,117.24x = 10,247,189,747.27
  5. Step 5: Solve for x
    x = 10,247,189,747.27/117,117.24
  6. Step 6: Final answer
    x = 87,495.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.