Home / 118,535.40-177,873.84-42,627.60

Finding the Fourth Proportional to 118,535.40, 177,873.84 and 42,627.60

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Solution

The fourth proportional to 118,535.40, 177,873.84 and 42,627.60 is: 63,966.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,535.40 : 177,873.84 = 42,627.60 : x
  2. Step 2: Convert to fraction form
    118,535.40/177,873.84 = 42,627.60/x
  3. Step 3: Cross multiply
    118,535.40x = 177,873.84 × 42,627.60
  4. Step 4: Simplify right side
    118,535.40x = 7,582,334,901.98
  5. Step 5: Solve for x
    x = 7,582,334,901.98/118,535.40
  6. Step 6: Final answer
    x = 63,966.84

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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.