Home / 161,531.12-242,282.81-98,334.84

Finding the Fourth Proportional to 161,531.12, 242,282.81 and 98,334.84

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Solution

The fourth proportional to 161,531.12, 242,282.81 and 98,334.84 is: 147,493.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,531.12 : 242,282.81 = 98,334.84 : x
  2. Step 2: Convert to fraction form
    161,531.12/242,282.81 = 98,334.84/x
  3. Step 3: Cross multiply
    161,531.12x = 242,282.81 × 98,334.84
  4. Step 4: Simplify right side
    161,531.12x = 23,824,840,864.43
  5. Step 5: Solve for x
    x = 23,824,840,864.43/161,531.12
  6. Step 6: Final answer
    x = 147,493.82

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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.