Home / 118,844.02-178,146.06-74,501.92

Finding the Fourth Proportional to 118,844.02, 178,146.06 and 74,501.92

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Solution

The fourth proportional to 118,844.02, 178,146.06 and 74,501.92 is: 111,677.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,844.02 : 178,146.06 = 74,501.92 : x
  2. Step 2: Convert to fraction form
    118,844.02/178,146.06 = 74,501.92/x
  3. Step 3: Cross multiply
    118,844.02x = 178,146.06 × 74,501.92
  4. Step 4: Simplify right side
    118,844.02x = 13,272,223,510.44
  5. Step 5: Solve for x
    x = 13,272,223,510.44/118,844.02
  6. Step 6: Final answer
    x = 111,677.67

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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.