Home / 117,458.47-176,134.78-70,095.43

Finding the Fourth Proportional to 117,458.47, 176,134.78 and 70,095.43

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Solution

The fourth proportional to 117,458.47, 176,134.78 and 70,095.43 is: 105,111.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,458.47 : 176,134.78 = 70,095.43 : x
  2. Step 2: Convert to fraction form
    117,458.47/176,134.78 = 70,095.43/x
  3. Step 3: Cross multiply
    117,458.47x = 176,134.78 × 70,095.43
  4. Step 4: Simplify right side
    117,458.47x = 12,346,243,142.06
  5. Step 5: Solve for x
    x = 12,346,243,142.06/117,458.47
  6. Step 6: Final answer
    x = 105,111.56

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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.