Home / 134,433.80-185,516.48-74,004.63

Finding the Fourth Proportional to 134,433.80, 185,516.48 and 74,004.63

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Solution

The fourth proportional to 134,433.80, 185,516.48 and 74,004.63 is: 102,125.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,433.80 : 185,516.48 = 74,004.63 : x
  2. Step 2: Convert to fraction form
    134,433.80/185,516.48 = 74,004.63/x
  3. Step 3: Cross multiply
    134,433.80x = 185,516.48 × 74,004.63
  4. Step 4: Simplify right side
    134,433.80x = 13,729,078,646.31
  5. Step 5: Solve for x
    x = 13,729,078,646.31/134,433.80
  6. Step 6: Final answer
    x = 102,125.20

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1.5x scale

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.