Home / 229,972.34-317,358.65-127,997.84

Finding the Fourth Proportional to 229,972.34, 317,358.65 and 127,997.84

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Solution

The fourth proportional to 229,972.34, 317,358.65 and 127,997.84 is: 176,635.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,972.34 : 317,358.65 = 127,997.84 : x
  2. Step 2: Convert to fraction form
    229,972.34/317,358.65 = 127,997.84/x
  3. Step 3: Cross multiply
    229,972.34x = 317,358.65 × 127,997.84
  4. Step 4: Simplify right side
    229,972.34x = 40,621,219,478.53
  5. Step 5: Solve for x
    x = 40,621,219,478.53/229,972.34
  6. Step 6: Final answer
    x = 176,635.24

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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.