Home / 268,303.11-370,243.27-160,819.35

Finding the Fourth Proportional to 268,303.11, 370,243.27 and 160,819.35

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Solution

The fourth proportional to 268,303.11, 370,243.27 and 160,819.35 is: 221,921.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,303.11 : 370,243.27 = 160,819.35 : x
  2. Step 2: Convert to fraction form
    268,303.11/370,243.27 = 160,819.35/x
  3. Step 3: Cross multiply
    268,303.11x = 370,243.27 × 160,819.35
  4. Step 4: Simplify right side
    268,303.11x = 59,542,282,023.27
  5. Step 5: Solve for x
    x = 59,542,282,023.27/268,303.11
  6. Step 6: Final answer
    x = 221,921.70

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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.