Home / 210,169.23-290,058.62-119,538.87

Finding the Fourth Proportional to 210,169.23, 290,058.62 and 119,538.87

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Solution

The fourth proportional to 210,169.23, 290,058.62 and 119,538.87 is: 164,977.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,169.23 : 290,058.62 = 119,538.87 : x
  2. Step 2: Convert to fraction form
    210,169.23/290,058.62 = 119,538.87/x
  3. Step 3: Cross multiply
    210,169.23x = 290,058.62 × 119,538.87
  4. Step 4: Simplify right side
    210,169.23x = 34,673,279,070.87
  5. Step 5: Solve for x
    x = 34,673,279,070.87/210,169.23
  6. Step 6: Final answer
    x = 164,977.90

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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.