Home / 191,895.40-288,188.70-185,674.60

Finding the Fourth Proportional to 191,895.40, 288,188.70 and 185,674.60

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Solution

The fourth proportional to 191,895.40, 288,188.70 and 185,674.60 is: 278,846.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,895.40 : 288,188.70 = 185,674.60 : x
  2. Step 2: Convert to fraction form
    191,895.40/288,188.70 = 185,674.60/x
  3. Step 3: Cross multiply
    191,895.40x = 288,188.70 × 185,674.60
  4. Step 4: Simplify right side
    191,895.40x = 53,509,321,597.02
  5. Step 5: Solve for x
    x = 53,509,321,597.02/191,895.40
  6. Step 6: Final answer
    x = 278,846.30

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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.