Home / 326,921.60-451,124.16-183,670.40

Finding the Fourth Proportional to 326,921.60, 451,124.16 and 183,670.40

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Solution

The fourth proportional to 326,921.60, 451,124.16 and 183,670.40 is: 253,449.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,921.60 : 451,124.16 = 183,670.40 : x
  2. Step 2: Convert to fraction form
    326,921.60/451,124.16 = 183,670.40/x
  3. Step 3: Cross multiply
    326,921.60x = 451,124.16 × 183,670.40
  4. Step 4: Simplify right side
    326,921.60x = 82,858,154,916.86
  5. Step 5: Solve for x
    x = 82,858,154,916.86/326,921.60
  6. Step 6: Final answer
    x = 253,449.62

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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.