Home / 208,025.10-312,037.65-124,044.30

Finding the Fourth Proportional to 208,025.10, 312,037.65 and 124,044.30

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Solution

The fourth proportional to 208,025.10, 312,037.65 and 124,044.30 is: 186,066.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,025.10 : 312,037.65 = 124,044.30 : x
  2. Step 2: Convert to fraction form
    208,025.10/312,037.65 = 124,044.30/x
  3. Step 3: Cross multiply
    208,025.10x = 312,037.65 × 124,044.30
  4. Step 4: Simplify right side
    208,025.10x = 38,706,491,867.90
  5. Step 5: Solve for x
    x = 38,706,491,867.90/208,025.10
  6. Step 6: Final answer
    x = 186,066.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.