Home / 161,646.49-223,079.07-90,026.50

Finding the Fourth Proportional to 161,646.49, 223,079.07 and 90,026.50

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Solution

The fourth proportional to 161,646.49, 223,079.07 and 90,026.50 is: 124,240.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,646.49 : 223,079.07 = 90,026.50 : x
  2. Step 2: Convert to fraction form
    161,646.49/223,079.07 = 90,026.50/x
  3. Step 3: Cross multiply
    161,646.49x = 223,079.07 × 90,026.50
  4. Step 4: Simplify right side
    161,646.49x = 20,083,027,895.36
  5. Step 5: Solve for x
    x = 20,083,027,895.36/161,646.49
  6. Step 6: Final answer
    x = 124,240.42

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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.