Home / 133,282.40-198,892.13-119,088.16

Finding the Fourth Proportional to 133,282.40, 198,892.13 and 119,088.16

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Solution

The fourth proportional to 133,282.40, 198,892.13 and 119,088.16 is: 177,710.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,282.40 : 198,892.13 = 119,088.16 : x
  2. Step 2: Convert to fraction form
    133,282.40/198,892.13 = 119,088.16/x
  3. Step 3: Cross multiply
    133,282.40x = 198,892.13 × 119,088.16
  4. Step 4: Simplify right side
    133,282.40x = 23,685,697,800.18
  5. Step 5: Solve for x
    x = 23,685,697,800.18/133,282.40
  6. Step 6: Final answer
    x = 177,710.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.