Home / 118,796.04-178,172.54-47,715.81

Finding the Fourth Proportional to 118,796.04, 178,172.54 and 47,715.81

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Solution

The fourth proportional to 118,796.04, 178,172.54 and 47,715.81 is: 71,565.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,796.04 : 178,172.54 = 47,715.81 : x
  2. Step 2: Convert to fraction form
    118,796.04/178,172.54 = 47,715.81/x
  3. Step 3: Cross multiply
    118,796.04x = 178,172.54 × 47,715.81
  4. Step 4: Simplify right side
    118,796.04x = 8,501,646,805.63
  5. Step 5: Solve for x
    x = 8,501,646,805.63/118,796.04
  6. Step 6: Final answer
    x = 71,565.07

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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.