Home / 161,970.24-223,519.26-90,348.42

Finding the Fourth Proportional to 161,970.24, 223,519.26 and 90,348.42

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Solution

The fourth proportional to 161,970.24, 223,519.26 and 90,348.42 is: 124,681.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,970.24 : 223,519.26 = 90,348.42 : x
  2. Step 2: Convert to fraction form
    161,970.24/223,519.26 = 90,348.42/x
  3. Step 3: Cross multiply
    161,970.24x = 223,519.26 × 90,348.42
  4. Step 4: Simplify right side
    161,970.24x = 20,194,611,980.57
  5. Step 5: Solve for x
    x = 20,194,611,980.57/161,970.24
  6. Step 6: Final answer
    x = 124,681.00

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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.