Home / 161,742.10-242,569.95-49,422.10

Finding the Fourth Proportional to 161,742.10, 242,569.95 and 49,422.10

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Solution

The fourth proportional to 161,742.10, 242,569.95 and 49,422.10 is: 74,119.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,742.10 : 242,569.95 = 49,422.10 : x
  2. Step 2: Convert to fraction form
    161,742.10/242,569.95 = 49,422.10/x
  3. Step 3: Cross multiply
    161,742.10x = 242,569.95 × 49,422.10
  4. Step 4: Simplify right side
    161,742.10x = 11,988,316,325.90
  5. Step 5: Solve for x
    x = 11,988,316,325.90/161,742.10
  6. Step 6: Final answer
    x = 74,119.95

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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.