Home / 134,139.36-184,878-98,253.12

Finding the Fourth Proportional to 134,139.36, 184,878 and 98,253.12

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Solution

The fourth proportional to 134,139.36, 184,878 and 98,253.12 is: 135,417.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,139.36 : 184,878 = 98,253.12 : x
  2. Step 2: Convert to fraction form
    134,139.36/184,878 = 98,253.12/x
  3. Step 3: Cross multiply
    134,139.36x = 184,878 × 98,253.12
  4. Step 4: Simplify right side
    134,139.36x = 18,164,840,319.36
  5. Step 5: Solve for x
    x = 18,164,840,319.36/134,139.36
  6. Step 6: Final answer
    x = 135,417.68

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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.