Home / 161,518.54-242,331.77-71,549.04

Finding the Fourth Proportional to 161,518.54, 242,331.77 and 71,549.04

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Solution

The fourth proportional to 161,518.54, 242,331.77 and 71,549.04 is: 107,347.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,518.54 : 242,331.77 = 71,549.04 : x
  2. Step 2: Convert to fraction form
    161,518.54/242,331.77 = 71,549.04/x
  3. Step 3: Cross multiply
    161,518.54x = 242,331.77 × 71,549.04
  4. Step 4: Simplify right side
    161,518.54x = 17,338,604,827.04
  5. Step 5: Solve for x
    x = 17,338,604,827.04/161,518.54
  6. Step 6: Final answer
    x = 107,347.46

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1.5x scale

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.