Home / 160,965.47-222,142.73-92,985.31

Finding the Fourth Proportional to 160,965.47, 222,142.73 and 92,985.31

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Solution

The fourth proportional to 160,965.47, 222,142.73 and 92,985.31 is: 128,325.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,965.47 : 222,142.73 = 92,985.31 : x
  2. Step 2: Convert to fraction form
    160,965.47/222,142.73 = 92,985.31/x
  3. Step 3: Cross multiply
    160,965.47x = 222,142.73 × 92,985.31
  4. Step 4: Simplify right side
    160,965.47x = 20,656,009,593.01
  5. Step 5: Solve for x
    x = 20,656,009,593.01/160,965.47
  6. Step 6: Final answer
    x = 128,325.72

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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.