Home / 191,224.19-286,577.82-72,830.95

Finding the Fourth Proportional to 191,224.19, 286,577.82 and 72,830.95

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Solution

The fourth proportional to 191,224.19, 286,577.82 and 72,830.95 is: 109,147.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,224.19 : 286,577.82 = 72,830.95 : x
  2. Step 2: Convert to fraction form
    191,224.19/286,577.82 = 72,830.95/x
  3. Step 3: Cross multiply
    191,224.19x = 286,577.82 × 72,830.95
  4. Step 4: Simplify right side
    191,224.19x = 20,871,734,163.08
  5. Step 5: Solve for x
    x = 20,871,734,163.08/191,224.19
  6. Step 6: Final answer
    x = 109,147.98

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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.