Home / 142,913.38-197,309.64-92,014.36

Finding the Fourth Proportional to 142,913.38, 197,309.64 and 92,014.36

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Solution

The fourth proportional to 142,913.38, 197,309.64 and 92,014.36 is: 127,037.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,913.38 : 197,309.64 = 92,014.36 : x
  2. Step 2: Convert to fraction form
    142,913.38/197,309.64 = 92,014.36/x
  3. Step 3: Cross multiply
    142,913.38x = 197,309.64 × 92,014.36
  4. Step 4: Simplify right side
    142,913.38x = 18,155,320,246.43
  5. Step 5: Solve for x
    x = 18,155,320,246.43/142,913.38
  6. Step 6: Final answer
    x = 127,037.23

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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.