Home / 143,023.32-196,672.32-124,127.64

Finding the Fourth Proportional to 143,023.32, 196,672.32 and 124,127.64

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Solution

The fourth proportional to 143,023.32, 196,672.32 and 124,127.64 is: 170,688.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,023.32 : 196,672.32 = 124,127.64 : x
  2. Step 2: Convert to fraction form
    143,023.32/196,672.32 = 124,127.64/x
  3. Step 3: Cross multiply
    143,023.32x = 196,672.32 × 124,127.64
  4. Step 4: Simplify right side
    143,023.32x = 24,412,470,934.92
  5. Step 5: Solve for x
    x = 24,412,470,934.92/143,023.32
  6. Step 6: Final answer
    x = 170,688.74

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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.