Home / 126,455.01-174,648.74-98,117.30

Finding the Fourth Proportional to 126,455.01, 174,648.74 and 98,117.30

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Solution

The fourth proportional to 126,455.01, 174,648.74 and 98,117.30 is: 135,511.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,455.01 : 174,648.74 = 98,117.30 : x
  2. Step 2: Convert to fraction form
    126,455.01/174,648.74 = 98,117.30/x
  3. Step 3: Cross multiply
    126,455.01x = 174,648.74 × 98,117.30
  4. Step 4: Simplify right side
    126,455.01x = 17,136,061,453.37
  5. Step 5: Solve for x
    x = 17,136,061,453.37/126,455.01
  6. Step 6: Final answer
    x = 135,511.13

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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.