Home / 133,669.80-200,547.90-89,346.60

Finding the Fourth Proportional to 133,669.80, 200,547.90 and 89,346.60

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Solution

The fourth proportional to 133,669.80, 200,547.90 and 89,346.60 is: 134,048.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,669.80 : 200,547.90 = 89,346.60 : x
  2. Step 2: Convert to fraction form
    133,669.80/200,547.90 = 89,346.60/x
  3. Step 3: Cross multiply
    133,669.80x = 200,547.90 × 89,346.60
  4. Step 4: Simplify right side
    133,669.80x = 17,918,273,002.14
  5. Step 5: Solve for x
    x = 17,918,273,002.14/133,669.80
  6. Step 6: Final answer
    x = 134,048.78

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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.