Home / 118,390.40-177,607.20-48,276.80

Finding the Fourth Proportional to 118,390.40, 177,607.20 and 48,276.80

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Solution

The fourth proportional to 118,390.40, 177,607.20 and 48,276.80 is: 72,424.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,390.40 : 177,607.20 = 48,276.80 : x
  2. Step 2: Convert to fraction form
    118,390.40/177,607.20 = 48,276.80/x
  3. Step 3: Cross multiply
    118,390.40x = 177,607.20 × 48,276.80
  4. Step 4: Simplify right side
    118,390.40x = 8,574,307,272.96
  5. Step 5: Solve for x
    x = 8,574,307,272.96/118,390.40
  6. Step 6: Final answer
    x = 72,424.01

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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.