Home / 118,743.40-178,050.30-48,543.40

Finding the Fourth Proportional to 118,743.40, 178,050.30 and 48,543.40

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Solution

The fourth proportional to 118,743.40, 178,050.30 and 48,543.40 is: 72,788.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,743.40 : 178,050.30 = 48,543.40 : x
  2. Step 2: Convert to fraction form
    118,743.40/178,050.30 = 48,543.40/x
  3. Step 3: Cross multiply
    118,743.40x = 178,050.30 × 48,543.40
  4. Step 4: Simplify right side
    118,743.40x = 8,643,166,933.02
  5. Step 5: Solve for x
    x = 8,643,166,933.02/118,743.40
  6. Step 6: Final answer
    x = 72,788.61

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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.