Home / 161,962.35-223,506.53-89,365.91

Finding the Fourth Proportional to 161,962.35, 223,506.53 and 89,365.91

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Solution

The fourth proportional to 161,962.35, 223,506.53 and 89,365.91 is: 123,324.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,962.35 : 223,506.53 = 89,365.91 : x
  2. Step 2: Convert to fraction form
    161,962.35/223,506.53 = 89,365.91/x
  3. Step 3: Cross multiply
    161,962.35x = 223,506.53 × 89,365.91
  4. Step 4: Simplify right side
    161,962.35x = 19,973,862,880.03
  5. Step 5: Solve for x
    x = 19,973,862,880.03/161,962.35
  6. Step 6: Final answer
    x = 123,324.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.