Home / 210,197.19-290,078.28-114,710.04

Finding the Fourth Proportional to 210,197.19, 290,078.28 and 114,710.04

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Solution

The fourth proportional to 210,197.19, 290,078.28 and 114,710.04 is: 158,303.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,197.19 : 290,078.28 = 114,710.04 : x
  2. Step 2: Convert to fraction form
    210,197.19/290,078.28 = 114,710.04/x
  3. Step 3: Cross multiply
    210,197.19x = 290,078.28 × 114,710.04
  4. Step 4: Simplify right side
    210,197.19x = 33,274,891,101.93
  5. Step 5: Solve for x
    x = 33,274,891,101.93/210,197.19
  6. Step 6: Final answer
    x = 158,303.22

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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.