Home / 227,678.84-314,195.32-125,710.64

Finding the Fourth Proportional to 227,678.84, 314,195.32 and 125,710.64

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Solution

The fourth proportional to 227,678.84, 314,195.32 and 125,710.64 is: 173,479.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,678.84 : 314,195.32 = 125,710.64 : x
  2. Step 2: Convert to fraction form
    227,678.84/314,195.32 = 125,710.64/x
  3. Step 3: Cross multiply
    227,678.84x = 314,195.32 × 125,710.64
  4. Step 4: Simplify right side
    227,678.84x = 39,497,694,762.20
  5. Step 5: Solve for x
    x = 39,497,694,762.20/227,678.84
  6. Step 6: Final answer
    x = 173,479.87

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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.