Home / 117,125.06-161,632.66-63,410.10

Finding the Fourth Proportional to 117,125.06, 161,632.66 and 63,410.10

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Solution

The fourth proportional to 117,125.06, 161,632.66 and 63,410.10 is: 87,505.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,125.06 : 161,632.66 = 63,410.10 : x
  2. Step 2: Convert to fraction form
    117,125.06/161,632.66 = 63,410.10/x
  3. Step 3: Cross multiply
    117,125.06x = 161,632.66 × 63,410.10
  4. Step 4: Simplify right side
    117,125.06x = 10,249,143,133.87
  5. Step 5: Solve for x
    x = 10,249,143,133.87/117,125.06
  6. Step 6: Final answer
    x = 87,505.98

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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.