Home / 155,697.12-214,877.88-95,307.66

Finding the Fourth Proportional to 155,697.12, 214,877.88 and 95,307.66

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Solution

The fourth proportional to 155,697.12, 214,877.88 and 95,307.66 is: 131,534.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,697.12 : 214,877.88 = 95,307.66 : x
  2. Step 2: Convert to fraction form
    155,697.12/214,877.88 = 95,307.66/x
  3. Step 3: Cross multiply
    155,697.12x = 214,877.88 × 95,307.66
  4. Step 4: Simplify right side
    155,697.12x = 20,479,507,928.56
  5. Step 5: Solve for x
    x = 20,479,507,928.56/155,697.12
  6. Step 6: Final answer
    x = 131,534.28

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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.