Home / 191,464.08-288,629.58-178,619.10

Finding the Fourth Proportional to 191,464.08, 288,629.58 and 178,619.10

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Solution

The fourth proportional to 191,464.08, 288,629.58 and 178,619.10 is: 269,265.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,464.08 : 288,629.58 = 178,619.10 : x
  2. Step 2: Convert to fraction form
    191,464.08/288,629.58 = 178,619.10/x
  3. Step 3: Cross multiply
    191,464.08x = 288,629.58 × 178,619.10
  4. Step 4: Simplify right side
    191,464.08x = 51,554,755,812.98
  5. Step 5: Solve for x
    x = 51,554,755,812.98/191,464.08
  6. Step 6: Final answer
    x = 269,265.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.