Home / 117,235.63-161,783.04-66,247.25

Finding the Fourth Proportional to 117,235.63, 161,783.04 and 66,247.25

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Solution

The fourth proportional to 117,235.63, 161,783.04 and 66,247.25 is: 91,420.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,235.63 : 161,783.04 = 66,247.25 : x
  2. Step 2: Convert to fraction form
    117,235.63/161,783.04 = 66,247.25/x
  3. Step 3: Cross multiply
    117,235.63x = 161,783.04 × 66,247.25
  4. Step 4: Simplify right side
    117,235.63x = 10,717,681,496.64
  5. Step 5: Solve for x
    x = 10,717,681,496.64/117,235.63
  6. Step 6: Final answer
    x = 91,420.00

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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.