Home / 117,212.37-161,752.55-63,497.52

Finding the Fourth Proportional to 117,212.37, 161,752.55 and 63,497.52

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Solution

The fourth proportional to 117,212.37, 161,752.55 and 63,497.52 is: 87,626.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,212.37 : 161,752.55 = 63,497.52 : x
  2. Step 2: Convert to fraction form
    117,212.37/161,752.55 = 63,497.52/x
  3. Step 3: Cross multiply
    117,212.37x = 161,752.55 × 63,497.52
  4. Step 4: Simplify right side
    117,212.37x = 10,270,885,461.19
  5. Step 5: Solve for x
    x = 10,270,885,461.19/117,212.37
  6. Step 6: Final answer
    x = 87,626.30

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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.