Home / 117,199.16-161,725.24-66,216.32

Finding the Fourth Proportional to 117,199.16, 161,725.24 and 66,216.32

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Solution

The fourth proportional to 117,199.16, 161,725.24 and 66,216.32 is: 91,373.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,199.16 : 161,725.24 = 66,216.32 : x
  2. Step 2: Convert to fraction form
    117,199.16/161,725.24 = 66,216.32/x
  3. Step 3: Cross multiply
    117,199.16x = 161,725.24 × 66,216.32
  4. Step 4: Simplify right side
    117,199.16x = 10,708,849,435.29
  5. Step 5: Solve for x
    x = 10,708,849,435.29/117,199.16
  6. Step 6: Final answer
    x = 91,373.09

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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.