Home / 117,127.56-161,635.96-63,412.54

Finding the Fourth Proportional to 117,127.56, 161,635.96 and 63,412.54

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Solution

The fourth proportional to 117,127.56, 161,635.96 and 63,412.54 is: 87,509.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,127.56 : 161,635.96 = 63,412.54 : x
  2. Step 2: Convert to fraction form
    117,127.56/161,635.96 = 63,412.54/x
  3. Step 3: Cross multiply
    117,127.56x = 161,635.96 × 63,412.54
  4. Step 4: Simplify right side
    117,127.56x = 10,249,746,778.94
  5. Step 5: Solve for x
    x = 10,249,746,778.94/117,127.56
  6. Step 6: Final answer
    x = 87,509.27

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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.