Home / 161,722.10-242,583.15-122,356.10

Finding the Fourth Proportional to 161,722.10, 242,583.15 and 122,356.10

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Solution

The fourth proportional to 161,722.10, 242,583.15 and 122,356.10 is: 183,534.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,722.10 : 242,583.15 = 122,356.10 : x
  2. Step 2: Convert to fraction form
    161,722.10/242,583.15 = 122,356.10/x
  3. Step 3: Cross multiply
    161,722.10x = 242,583.15 × 122,356.10
  4. Step 4: Simplify right side
    161,722.10x = 29,681,528,159.72
  5. Step 5: Solve for x
    x = 29,681,528,159.72/161,722.10
  6. Step 6: Final answer
    x = 183,534.15

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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.