Home / 108,371.40-162,557.10-70,973.70

Finding the Fourth Proportional to 108,371.40, 162,557.10 and 70,973.70

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Solution

The fourth proportional to 108,371.40, 162,557.10 and 70,973.70 is: 106,460.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,371.40 : 162,557.10 = 70,973.70 : x
  2. Step 2: Convert to fraction form
    108,371.40/162,557.10 = 70,973.70/x
  3. Step 3: Cross multiply
    108,371.40x = 162,557.10 × 70,973.70
  4. Step 4: Simplify right side
    108,371.40x = 11,537,278,848.27
  5. Step 5: Solve for x
    x = 11,537,278,848.27/108,371.40
  6. Step 6: Final answer
    x = 106,460.55

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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.