Home / 134,955.99-186,238.17-74,530.71

Finding the Fourth Proportional to 134,955.99, 186,238.17 and 74,530.71

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Solution

The fourth proportional to 134,955.99, 186,238.17 and 74,530.71 is: 102,851.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,955.99 : 186,238.17 = 74,530.71 : x
  2. Step 2: Convert to fraction form
    134,955.99/186,238.17 = 74,530.71/x
  3. Step 3: Cross multiply
    134,955.99x = 186,238.17 × 74,530.71
  4. Step 4: Simplify right side
    134,955.99x = 13,880,463,039.20
  5. Step 5: Solve for x
    x = 13,880,463,039.20/134,955.99
  6. Step 6: Final answer
    x = 102,851.77

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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.