Home / 314,660.17-434,242.20-178,690.33

Finding the Fourth Proportional to 314,660.17, 434,242.20 and 178,690.33

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Solution

The fourth proportional to 314,660.17, 434,242.20 and 178,690.33 is: 246,599.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,660.17 : 434,242.20 = 178,690.33 : x
  2. Step 2: Convert to fraction form
    314,660.17/434,242.20 = 178,690.33/x
  3. Step 3: Cross multiply
    314,660.17x = 434,242.20 × 178,690.33
  4. Step 4: Simplify right side
    314,660.17x = 77,594,882,225.68
  5. Step 5: Solve for x
    x = 77,594,882,225.68/314,660.17
  6. Step 6: Final answer
    x = 246,599.00

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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.