Home / 161,748.10-242,578.95-49,428.10

Finding the Fourth Proportional to 161,748.10, 242,578.95 and 49,428.10

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Solution

The fourth proportional to 161,748.10, 242,578.95 and 49,428.10 is: 74,128.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,748.10 : 242,578.95 = 49,428.10 : x
  2. Step 2: Convert to fraction form
    161,748.10/242,578.95 = 49,428.10/x
  3. Step 3: Cross multiply
    161,748.10x = 242,578.95 × 49,428.10
  4. Step 4: Simplify right side
    161,748.10x = 11,990,216,598.50
  5. Step 5: Solve for x
    x = 11,990,216,598.50/161,748.10
  6. Step 6: Final answer
    x = 74,128.95

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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.