Home / 314,816.24-434,447.89-178,857.65

Finding the Fourth Proportional to 314,816.24, 434,447.89 and 178,857.65

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Solution

The fourth proportional to 314,816.24, 434,447.89 and 178,857.65 is: 246,824.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,816.24 : 434,447.89 = 178,857.65 : x
  2. Step 2: Convert to fraction form
    314,816.24/434,447.89 = 178,857.65/x
  3. Step 3: Cross multiply
    314,816.24x = 434,447.89 × 178,857.65
  4. Step 4: Simplify right side
    314,816.24x = 77,704,329,291.83
  5. Step 5: Solve for x
    x = 77,704,329,291.83/314,816.24
  6. Step 6: Final answer
    x = 246,824.40

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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.