Home / 210,311.16-290,195.13-124,258.26

Finding the Fourth Proportional to 210,311.16, 290,195.13 and 124,258.26

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Solution

The fourth proportional to 210,311.16, 290,195.13 and 124,258.26 is: 171,456.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,311.16 : 290,195.13 = 124,258.26 : x
  2. Step 2: Convert to fraction form
    210,311.16/290,195.13 = 124,258.26/x
  3. Step 3: Cross multiply
    210,311.16x = 290,195.13 × 124,258.26
  4. Step 4: Simplify right side
    210,311.16x = 36,059,141,914.27
  5. Step 5: Solve for x
    x = 36,059,141,914.27/210,311.16
  6. Step 6: Final answer
    x = 171,456.15

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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.