Home / 113,723.26-156,936.36-65,984.86

Finding the Fourth Proportional to 113,723.26, 156,936.36 and 65,984.86

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Solution

The fourth proportional to 113,723.26, 156,936.36 and 65,984.86 is: 91,058.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,723.26 : 156,936.36 = 65,984.86 : x
  2. Step 2: Convert to fraction form
    113,723.26/156,936.36 = 65,984.86/x
  3. Step 3: Cross multiply
    113,723.26x = 156,936.36 × 65,984.86
  4. Step 4: Simplify right side
    113,723.26x = 10,355,423,743.51
  5. Step 5: Solve for x
    x = 10,355,423,743.51/113,723.26
  6. Step 6: Final answer
    x = 91,058.10

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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.