Home / 155,153.13-214,120.43-116,845.05

Finding the Fourth Proportional to 155,153.13, 214,120.43 and 116,845.05

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Solution

The fourth proportional to 155,153.13, 214,120.43 and 116,845.05 is: 161,253.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,153.13 : 214,120.43 = 116,845.05 : x
  2. Step 2: Convert to fraction form
    155,153.13/214,120.43 = 116,845.05/x
  3. Step 3: Cross multiply
    155,153.13x = 214,120.43 × 116,845.05
  4. Step 4: Simplify right side
    155,153.13x = 25,018,912,349.37
  5. Step 5: Solve for x
    x = 25,018,912,349.37/155,153.13
  6. Step 6: Final answer
    x = 161,253.03

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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.