Home / 117,824.17-176,669.32-80,429.51

Finding the Fourth Proportional to 117,824.17, 176,669.32 and 80,429.51

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Solution

The fourth proportional to 117,824.17, 176,669.32 and 80,429.51 is: 120,598.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,824.17 : 176,669.32 = 80,429.51 : x
  2. Step 2: Convert to fraction form
    117,824.17/176,669.32 = 80,429.51/x
  3. Step 3: Cross multiply
    117,824.17x = 176,669.32 × 80,429.51
  4. Step 4: Simplify right side
    117,824.17x = 14,209,426,839.63
  5. Step 5: Solve for x
    x = 14,209,426,839.63/117,824.17
  6. Step 6: Final answer
    x = 120,598.57

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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.