Home / 177,607.16-245,097.88-102,155.66

Finding the Fourth Proportional to 177,607.16, 245,097.88 and 102,155.66

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Solution

The fourth proportional to 177,607.16, 245,097.88 and 102,155.66 is: 140,974.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,607.16 : 245,097.88 = 102,155.66 : x
  2. Step 2: Convert to fraction form
    177,607.16/245,097.88 = 102,155.66/x
  3. Step 3: Cross multiply
    177,607.16x = 245,097.88 × 102,155.66
  4. Step 4: Simplify right side
    177,607.16x = 25,038,135,696.00
  5. Step 5: Solve for x
    x = 25,038,135,696.00/177,607.16
  6. Step 6: Final answer
    x = 140,974.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.