Home / 161,705.10-242,557.65-73,058.70

Finding the Fourth Proportional to 161,705.10, 242,557.65 and 73,058.70

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Solution

The fourth proportional to 161,705.10, 242,557.65 and 73,058.70 is: 109,588.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,705.10 : 242,557.65 = 73,058.70 : x
  2. Step 2: Convert to fraction form
    161,705.10/242,557.65 = 73,058.70/x
  3. Step 3: Cross multiply
    161,705.10x = 242,557.65 × 73,058.70
  4. Step 4: Simplify right side
    161,705.10x = 17,720,946,584.06
  5. Step 5: Solve for x
    x = 17,720,946,584.06/161,705.10
  6. Step 6: Final answer
    x = 109,588.05

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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.