Home / 117,458.72-176,135.16-70,095.68

Finding the Fourth Proportional to 117,458.72, 176,135.16 and 70,095.68

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Solution

The fourth proportional to 117,458.72, 176,135.16 and 70,095.68 is: 105,111.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,458.72 : 176,135.16 = 70,095.68 : x
  2. Step 2: Convert to fraction form
    117,458.72/176,135.16 = 70,095.68/x
  3. Step 3: Cross multiply
    117,458.72x = 176,135.16 × 70,095.68
  4. Step 4: Simplify right side
    117,458.72x = 12,346,313,812.11
  5. Step 5: Solve for x
    x = 12,346,313,812.11/117,458.72
  6. Step 6: Final answer
    x = 105,111.94

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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.