Home / 210,390.43-290,337.26-114,897.10

Finding the Fourth Proportional to 210,390.43, 290,337.26 and 114,897.10

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Solution

The fourth proportional to 210,390.43, 290,337.26 and 114,897.10 is: 158,557.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,390.43 : 290,337.26 = 114,897.10 : x
  2. Step 2: Convert to fraction form
    210,390.43/290,337.26 = 114,897.10/x
  3. Step 3: Cross multiply
    210,390.43x = 290,337.26 × 114,897.10
  4. Step 4: Simplify right side
    210,390.43x = 33,358,907,895.62
  5. Step 5: Solve for x
    x = 33,358,907,895.62/210,390.43
  6. Step 6: Final answer
    x = 158,557.16

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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.