Home / 161,907.36-223,433.13-90,291.92

Finding the Fourth Proportional to 161,907.36, 223,433.13 and 90,291.92

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Solution

The fourth proportional to 161,907.36, 223,433.13 and 90,291.92 is: 124,603.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,907.36 : 223,433.13 = 90,291.92 : x
  2. Step 2: Convert to fraction form
    161,907.36/223,433.13 = 90,291.92/x
  3. Step 3: Cross multiply
    161,907.36x = 223,433.13 × 90,291.92
  4. Step 4: Simplify right side
    161,907.36x = 20,174,205,182.14
  5. Step 5: Solve for x
    x = 20,174,205,182.14/161,907.36
  6. Step 6: Final answer
    x = 124,603.39

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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.