Home / 190,913.30-286,432.15-91,060.50

Finding the Fourth Proportional to 190,913.30, 286,432.15 and 91,060.50

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Solution

The fourth proportional to 190,913.30, 286,432.15 and 91,060.50 is: 136,620.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,913.30 : 286,432.15 = 91,060.50 : x
  2. Step 2: Convert to fraction form
    190,913.30/286,432.15 = 91,060.50/x
  3. Step 3: Cross multiply
    190,913.30x = 286,432.15 × 91,060.50
  4. Step 4: Simplify right side
    190,913.30x = 26,082,655,812.28
  5. Step 5: Solve for x
    x = 26,082,655,812.28/190,913.30
  6. Step 6: Final answer
    x = 136,620.42

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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.