Home / 134,465.10-185,561.84-74,849.10

Finding the Fourth Proportional to 134,465.10, 185,561.84 and 74,849.10

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Solution

The fourth proportional to 134,465.10, 185,561.84 and 74,849.10 is: 103,291.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,465.10 : 185,561.84 = 74,849.10 : x
  2. Step 2: Convert to fraction form
    134,465.10/185,561.84 = 74,849.10/x
  3. Step 3: Cross multiply
    134,465.10x = 185,561.84 × 74,849.10
  4. Step 4: Simplify right side
    134,465.10x = 13,889,136,344.10
  5. Step 5: Solve for x
    x = 13,889,136,344.10/134,465.10
  6. Step 6: Final answer
    x = 103,291.76

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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.