Home / 189,716.98-284,624.67-100,897.45

Finding the Fourth Proportional to 189,716.98, 284,624.67 and 100,897.45

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Solution

The fourth proportional to 189,716.98, 284,624.67 and 100,897.45 is: 151,372.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,716.98 : 284,624.67 = 100,897.45 : x
  2. Step 2: Convert to fraction form
    189,716.98/284,624.67 = 100,897.45/x
  3. Step 3: Cross multiply
    189,716.98x = 284,624.67 × 100,897.45
  4. Step 4: Simplify right side
    189,716.98x = 28,717,903,410.09
  5. Step 5: Solve for x
    x = 28,717,903,410.09/189,716.98
  6. Step 6: Final answer
    x = 151,372.34

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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.