Home / 161,340.84-242,043.93-67,846.50

Finding the Fourth Proportional to 161,340.84, 242,043.93 and 67,846.50

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Solution

The fourth proportional to 161,340.84, 242,043.93 and 67,846.50 is: 101,783.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,340.84 : 242,043.93 = 67,846.50 : x
  2. Step 2: Convert to fraction form
    161,340.84/242,043.93 = 67,846.50/x
  3. Step 3: Cross multiply
    161,340.84x = 242,043.93 × 67,846.50
  4. Step 4: Simplify right side
    161,340.84x = 16,421,833,496.75
  5. Step 5: Solve for x
    x = 16,421,833,496.75/161,340.84
  6. Step 6: Final answer
    x = 101,783.49

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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.