Home / 134,913.69-186,176.07-74,483.10

Finding the Fourth Proportional to 134,913.69, 186,176.07 and 74,483.10

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Solution

The fourth proportional to 134,913.69, 186,176.07 and 74,483.10 is: 102,784.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,913.69 : 186,176.07 = 74,483.10 : x
  2. Step 2: Convert to fraction form
    134,913.69/186,176.07 = 74,483.10/x
  3. Step 3: Cross multiply
    134,913.69x = 186,176.07 × 74,483.10
  4. Step 4: Simplify right side
    134,913.69x = 13,866,970,839.42
  5. Step 5: Solve for x
    x = 13,866,970,839.42/134,913.69
  6. Step 6: Final answer
    x = 102,784.02

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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.