Home / 191,927.80-287,936.00-56,988.87

Finding the Fourth Proportional to 191,927.80, 287,936.00 and 56,988.87

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Solution

The fourth proportional to 191,927.80, 287,936.00 and 56,988.87 is: 85,496.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,927.80 : 287,936.00 = 56,988.87 : x
  2. Step 2: Convert to fraction form
    191,927.80/287,936.00 = 56,988.87/x
  3. Step 3: Cross multiply
    191,927.80x = 287,936.00 × 56,988.87
  4. Step 4: Simplify right side
    191,927.80x = 16,409,147,066.98
  5. Step 5: Solve for x
    x = 16,409,147,066.98/191,927.80
  6. Step 6: Final answer
    x = 85,496.46

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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.