Home / 108,192.90-162,373.02-70,742.82

Finding the Fourth Proportional to 108,192.90, 162,373.02 and 70,742.82

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Solution

The fourth proportional to 108,192.90, 162,373.02 and 70,742.82 is: 106,168.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,192.90 : 162,373.02 = 70,742.82 : x
  2. Step 2: Convert to fraction form
    108,192.90/162,373.02 = 70,742.82/x
  3. Step 3: Cross multiply
    108,192.90x = 162,373.02 × 70,742.82
  4. Step 4: Simplify right side
    108,192.90x = 11,486,725,326.72
  5. Step 5: Solve for x
    x = 11,486,725,326.72/108,192.90
  6. Step 6: Final answer
    x = 106,168.94

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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.