Home / 134,913.43-186,186.77-74,492.65

Finding the Fourth Proportional to 134,913.43, 186,186.77 and 74,492.65

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Solution

The fourth proportional to 134,913.43, 186,186.77 and 74,492.65 is: 102,803.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,913.43 : 186,186.77 = 74,492.65 : x
  2. Step 2: Convert to fraction form
    134,913.43/186,186.77 = 74,492.65/x
  3. Step 3: Cross multiply
    134,913.43x = 186,186.77 × 74,492.65
  4. Step 4: Simplify right side
    134,913.43x = 13,869,545,892.24
  5. Step 5: Solve for x
    x = 13,869,545,892.24/134,913.43
  6. Step 6: Final answer
    x = 102,803.30

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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.