Home / 118,923.66-178,362.78-59,742.90

Finding the Fourth Proportional to 118,923.66, 178,362.78 and 59,742.90

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Solution

The fourth proportional to 118,923.66, 178,362.78 and 59,742.90 is: 89,602.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,923.66 : 178,362.78 = 59,742.90 : x
  2. Step 2: Convert to fraction form
    118,923.66/178,362.78 = 59,742.90/x
  3. Step 3: Cross multiply
    118,923.66x = 178,362.78 × 59,742.90
  4. Step 4: Simplify right side
    118,923.66x = 10,655,909,729.26
  5. Step 5: Solve for x
    x = 10,655,909,729.26/118,923.66
  6. Step 6: Final answer
    x = 89,602.94

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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.