Home / 163,902.12-245,895.43-89,003.04

Finding the Fourth Proportional to 163,902.12, 245,895.43 and 89,003.04

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Solution

The fourth proportional to 163,902.12, 245,895.43 and 89,003.04 is: 133,527.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,902.12 : 245,895.43 = 89,003.04 : x
  2. Step 2: Convert to fraction form
    163,902.12/245,895.43 = 89,003.04/x
  3. Step 3: Cross multiply
    163,902.12x = 245,895.43 × 89,003.04
  4. Step 4: Simplify right side
    163,902.12x = 21,885,440,792.11
  5. Step 5: Solve for x
    x = 21,885,440,792.11/163,902.12
  6. Step 6: Final answer
    x = 133,527.50

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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.