Home / 161,946.11-223,485.93-90,330.77

Finding the Fourth Proportional to 161,946.11, 223,485.93 and 90,330.77

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Solution

The fourth proportional to 161,946.11, 223,485.93 and 90,330.77 is: 124,656.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,946.11 : 223,485.93 = 90,330.77 : x
  2. Step 2: Convert to fraction form
    161,946.11/223,485.93 = 90,330.77/x
  3. Step 3: Cross multiply
    161,946.11x = 223,485.93 × 90,330.77
  4. Step 4: Simplify right side
    161,946.11x = 20,187,654,571.98
  5. Step 5: Solve for x
    x = 20,187,654,571.98/161,946.11
  6. Step 6: Final answer
    x = 124,656.62

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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.