Home / 108,291.24-162,434.97-45,145.26

Finding the Fourth Proportional to 108,291.24, 162,434.97 and 45,145.26

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Solution

The fourth proportional to 108,291.24, 162,434.97 and 45,145.26 is: 67,717.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,291.24 : 162,434.97 = 45,145.26 : x
  2. Step 2: Convert to fraction form
    108,291.24/162,434.97 = 45,145.26/x
  3. Step 3: Cross multiply
    108,291.24x = 162,434.97 × 45,145.26
  4. Step 4: Simplify right side
    108,291.24x = 7,333,168,953.74
  5. Step 5: Solve for x
    x = 7,333,168,953.74/108,291.24
  6. Step 6: Final answer
    x = 67,717.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.