Home / 229,996.18-317,394.69-128,019.46

Finding the Fourth Proportional to 229,996.18, 317,394.69 and 128,019.46

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Solution

The fourth proportional to 229,996.18, 317,394.69 and 128,019.46 is: 176,666.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,996.18 : 317,394.69 = 128,019.46 : x
  2. Step 2: Convert to fraction form
    229,996.18/317,394.69 = 128,019.46/x
  3. Step 3: Cross multiply
    229,996.18x = 317,394.69 × 128,019.46
  4. Step 4: Simplify right side
    229,996.18x = 40,632,694,593.60
  5. Step 5: Solve for x
    x = 40,632,694,593.60/229,996.18
  6. Step 6: Final answer
    x = 176,666.82

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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.