Home / 210,209.48-290,087.50-114,714.08

Finding the Fourth Proportional to 210,209.48, 290,087.50 and 114,714.08

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Solution

The fourth proportional to 210,209.48, 290,087.50 and 114,714.08 is: 158,304.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,209.48 : 290,087.50 = 114,714.08 : x
  2. Step 2: Convert to fraction form
    210,209.48/290,087.50 = 114,714.08/x
  3. Step 3: Cross multiply
    210,209.48x = 290,087.50 × 114,714.08
  4. Step 4: Simplify right side
    210,209.48x = 33,277,120,682
  5. Step 5: Solve for x
    x = 33,277,120,682/210,209.48
  6. Step 6: Final answer
    x = 158,304.57

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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.