Home / 191,450.94-287,196.08-73,221.72

Finding the Fourth Proportional to 191,450.94, 287,196.08 and 73,221.72

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Solution

The fourth proportional to 191,450.94, 287,196.08 and 73,221.72 is: 109,840.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,450.94 : 287,196.08 = 73,221.72 : x
  2. Step 2: Convert to fraction form
    191,450.94/287,196.08 = 73,221.72/x
  3. Step 3: Cross multiply
    191,450.94x = 287,196.08 × 73,221.72
  4. Step 4: Simplify right side
    191,450.94x = 21,028,990,588.75
  5. Step 5: Solve for x
    x = 21,028,990,588.75/191,450.94
  6. Step 6: Final answer
    x = 109,840.10

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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.