Home / 134,438.19-185,518.02-74,007.27

Finding the Fourth Proportional to 134,438.19, 185,518.02 and 74,007.27

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Solution

The fourth proportional to 134,438.19, 185,518.02 and 74,007.27 is: 102,126.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,438.19 : 185,518.02 = 74,007.27 : x
  2. Step 2: Convert to fraction form
    134,438.19/185,518.02 = 74,007.27/x
  3. Step 3: Cross multiply
    134,438.19x = 185,518.02 × 74,007.27
  4. Step 4: Simplify right side
    134,438.19x = 13,729,682,196.01
  5. Step 5: Solve for x
    x = 13,729,682,196.01/134,438.19
  6. Step 6: Final answer
    x = 102,126.35

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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.