Home / 191,926.10-287,926.05-73,588.21

Finding the Fourth Proportional to 191,926.10, 287,926.05 and 73,588.21

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Solution

The fourth proportional to 191,926.10, 287,926.05 and 73,588.21 is: 110,396.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,926.10 : 287,926.05 = 73,588.21 : x
  2. Step 2: Convert to fraction form
    191,926.10/287,926.05 = 73,588.21/x
  3. Step 3: Cross multiply
    191,926.10x = 287,926.05 × 73,588.21
  4. Step 4: Simplify right side
    191,926.10x = 21,187,962,631.87
  5. Step 5: Solve for x
    x = 21,187,962,631.87/191,926.10
  6. Step 6: Final answer
    x = 110,396.46

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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.