Home / 108,840.60-163,202.40-38,710.80

Finding the Fourth Proportional to 108,840.60, 163,202.40 and 38,710.80

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Solution

The fourth proportional to 108,840.60, 163,202.40 and 38,710.80 is: 58,045.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,840.60 : 163,202.40 = 38,710.80 : x
  2. Step 2: Convert to fraction form
    108,840.60/163,202.40 = 38,710.80/x
  3. Step 3: Cross multiply
    108,840.60x = 163,202.40 × 38,710.80
  4. Step 4: Simplify right side
    108,840.60x = 6,317,695,465.92
  5. Step 5: Solve for x
    x = 6,317,695,465.92/108,840.60
  6. Step 6: Final answer
    x = 58,045.39

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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.