Home / 268,920.32-370,615.71-251,856.05

Finding the Fourth Proportional to 268,920.32, 370,615.71 and 251,856.05

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Solution

The fourth proportional to 268,920.32, 370,615.71 and 251,856.05 is: 347,098.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,920.32 : 370,615.71 = 251,856.05 : x
  2. Step 2: Convert to fraction form
    268,920.32/370,615.71 = 251,856.05/x
  3. Step 3: Cross multiply
    268,920.32x = 370,615.71 × 251,856.05
  4. Step 4: Simplify right side
    268,920.32x = 93,341,808,788.55
  5. Step 5: Solve for x
    x = 93,341,808,788.55/268,920.32
  6. Step 6: Final answer
    x = 347,098.39

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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.