Home / 161,777.94-223,253.76-90,156.36

Finding the Fourth Proportional to 161,777.94, 223,253.76 and 90,156.36

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Solution

The fourth proportional to 161,777.94, 223,253.76 and 90,156.36 is: 124,415.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,777.94 : 223,253.76 = 90,156.36 : x
  2. Step 2: Convert to fraction form
    161,777.94/223,253.76 = 90,156.36/x
  3. Step 3: Cross multiply
    161,777.94x = 223,253.76 × 90,156.36
  4. Step 4: Simplify right side
    161,777.94x = 20,127,746,357.91
  5. Step 5: Solve for x
    x = 20,127,746,357.91/161,777.94
  6. Step 6: Final answer
    x = 124,415.89

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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.