Home / 114,612.20-171,918.30-102,559.40

Finding the Fourth Proportional to 114,612.20, 171,918.30 and 102,559.40

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Solution

The fourth proportional to 114,612.20, 171,918.30 and 102,559.40 is: 153,839.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,612.20 : 171,918.30 = 102,559.40 : x
  2. Step 2: Convert to fraction form
    114,612.20/171,918.30 = 102,559.40/x
  3. Step 3: Cross multiply
    114,612.20x = 171,918.30 × 102,559.40
  4. Step 4: Simplify right side
    114,612.20x = 17,631,837,697.02
  5. Step 5: Solve for x
    x = 17,631,837,697.02/114,612.20
  6. Step 6: Final answer
    x = 153,839.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.