Home / 191,965.47-287,990.23-58,856.11

Finding the Fourth Proportional to 191,965.47, 287,990.23 and 58,856.11

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Solution

The fourth proportional to 191,965.47, 287,990.23 and 58,856.11 is: 88,297.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,965.47 : 287,990.23 = 58,856.11 : x
  2. Step 2: Convert to fraction form
    191,965.47/287,990.23 = 58,856.11/x
  3. Step 3: Cross multiply
    191,965.47x = 287,990.23 × 58,856.11
  4. Step 4: Simplify right side
    191,965.47x = 16,949,984,655.81
  5. Step 5: Solve for x
    x = 16,949,984,655.81/191,965.47
  6. Step 6: Final answer
    x = 88,297.05

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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.