Home / 210,250.92-290,147.76-114,758.40

Finding the Fourth Proportional to 210,250.92, 290,147.76 and 114,758.40

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Solution

The fourth proportional to 210,250.92, 290,147.76 and 114,758.40 is: 158,367.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,250.92 : 290,147.76 = 114,758.40 : x
  2. Step 2: Convert to fraction form
    210,250.92/290,147.76 = 114,758.40/x
  3. Step 3: Cross multiply
    210,250.92x = 290,147.76 × 114,758.40
  4. Step 4: Simplify right side
    210,250.92x = 33,296,892,701.18
  5. Step 5: Solve for x
    x = 33,296,892,701.18/210,250.92
  6. Step 6: Final answer
    x = 158,367.41

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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.