Home / 108,588.09-162,139.40-97,270.37

Finding the Fourth Proportional to 108,588.09, 162,139.40 and 97,270.37

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Solution

The fourth proportional to 108,588.09, 162,139.40 and 97,270.37 is: 145,240.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,588.09 : 162,139.40 = 97,270.37 : x
  2. Step 2: Convert to fraction form
    108,588.09/162,139.40 = 97,270.37/x
  3. Step 3: Cross multiply
    108,588.09x = 162,139.40 × 97,270.37
  4. Step 4: Simplify right side
    108,588.09x = 15,771,359,429.58
  5. Step 5: Solve for x
    x = 15,771,359,429.58/108,588.09
  6. Step 6: Final answer
    x = 145,240.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.