Home / 191,930.80-287,896.20-58,831.60

Finding the Fourth Proportional to 191,930.80, 287,896.20 and 58,831.60

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Solution

The fourth proportional to 191,930.80, 287,896.20 and 58,831.60 is: 88,247.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,930.80 : 287,896.20 = 58,831.60 : x
  2. Step 2: Convert to fraction form
    191,930.80/287,896.20 = 58,831.60/x
  3. Step 3: Cross multiply
    191,930.80x = 287,896.20 × 58,831.60
  4. Step 4: Simplify right side
    191,930.80x = 16,937,394,079.92
  5. Step 5: Solve for x
    x = 16,937,394,079.92/191,930.80
  6. Step 6: Final answer
    x = 88,247.40

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1.5x scale

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.