Home / 117,154.06-161,672.35-63,439.23

Finding the Fourth Proportional to 117,154.06, 161,672.35 and 63,439.23

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Solution

The fourth proportional to 117,154.06, 161,672.35 and 63,439.23 is: 87,546.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,154.06 : 161,672.35 = 63,439.23 : x
  2. Step 2: Convert to fraction form
    117,154.06/161,672.35 = 63,439.23/x
  3. Step 3: Cross multiply
    117,154.06x = 161,672.35 × 63,439.23
  4. Step 4: Simplify right side
    117,154.06x = 10,256,369,396.29
  5. Step 5: Solve for x
    x = 10,256,369,396.29/117,154.06
  6. Step 6: Final answer
    x = 87,546.00

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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.