Home / 134,128.71-185,077.51-73,701.90

Finding the Fourth Proportional to 134,128.71, 185,077.51 and 73,701.90

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Solution

The fourth proportional to 134,128.71, 185,077.51 and 73,701.90 is: 101,697.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,128.71 : 185,077.51 = 73,701.90 : x
  2. Step 2: Convert to fraction form
    134,128.71/185,077.51 = 73,701.90/x
  3. Step 3: Cross multiply
    134,128.71x = 185,077.51 × 73,701.90
  4. Step 4: Simplify right side
    134,128.71x = 13,640,563,950.01
  5. Step 5: Solve for x
    x = 13,640,563,950.01/134,128.71
  6. Step 6: Final answer
    x = 101,697.57

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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.