Home / 243,964.87-336,824.34-156,785.34

Finding the Fourth Proportional to 243,964.87, 336,824.34 and 156,785.34

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Solution

The fourth proportional to 243,964.87, 336,824.34 and 156,785.34 is: 216,461.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,964.87 : 336,824.34 = 156,785.34 : x
  2. Step 2: Convert to fraction form
    243,964.87/336,824.34 = 156,785.34/x
  3. Step 3: Cross multiply
    243,964.87x = 336,824.34 × 156,785.34
  4. Step 4: Simplify right side
    243,964.87x = 52,809,118,667.18
  5. Step 5: Solve for x
    x = 52,809,118,667.18/243,964.87
  6. Step 6: Final answer
    x = 216,461.98

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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.