Home / 161,860.28-223,351.26-90,233.60

Finding the Fourth Proportional to 161,860.28, 223,351.26 and 90,233.60

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Solution

The fourth proportional to 161,860.28, 223,351.26 and 90,233.60 is: 124,513.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,860.28 : 223,351.26 = 90,233.60 : x
  2. Step 2: Convert to fraction form
    161,860.28/223,351.26 = 90,233.60/x
  3. Step 3: Cross multiply
    161,860.28x = 223,351.26 × 90,233.60
  4. Step 4: Simplify right side
    161,860.28x = 20,153,788,254.34
  5. Step 5: Solve for x
    x = 20,153,788,254.34/161,860.28
  6. Step 6: Final answer
    x = 124,513.49

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1.5x scale

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.