Home / 219,817.19-303,017.05-171,987.50

Finding the Fourth Proportional to 219,817.19, 303,017.05 and 171,987.50

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Solution

The fourth proportional to 219,817.19, 303,017.05 and 171,987.50 is: 237,084.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,817.19 : 303,017.05 = 171,987.50 : x
  2. Step 2: Convert to fraction form
    219,817.19/303,017.05 = 171,987.50/x
  3. Step 3: Cross multiply
    219,817.19x = 303,017.05 × 171,987.50
  4. Step 4: Simplify right side
    219,817.19x = 52,115,145,859.40
  5. Step 5: Solve for x
    x = 52,115,145,859.40/219,817.19
  6. Step 6: Final answer
    x = 237,084.03

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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.