Home / 210,205.17-290,084.03-114,713.91

Finding the Fourth Proportional to 210,205.17, 290,084.03 and 114,713.91

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Solution

The fourth proportional to 210,205.17, 290,084.03 and 114,713.91 is: 158,305.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,205.17 : 290,084.03 = 114,713.91 : x
  2. Step 2: Convert to fraction form
    210,205.17/290,084.03 = 114,713.91/x
  3. Step 3: Cross multiply
    210,205.17x = 290,084.03 × 114,713.91
  4. Step 4: Simplify right side
    210,205.17x = 33,276,673,596.64
  5. Step 5: Solve for x
    x = 33,276,673,596.64/210,205.17
  6. Step 6: Final answer
    x = 158,305.69

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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.