Home / 108,905.04-163,367.64-42,350.18

Finding the Fourth Proportional to 108,905.04, 163,367.64 and 42,350.18

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Solution

The fourth proportional to 108,905.04, 163,367.64 and 42,350.18 is: 63,529.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,905.04 : 163,367.64 = 42,350.18 : x
  2. Step 2: Convert to fraction form
    108,905.04/163,367.64 = 42,350.18/x
  3. Step 3: Cross multiply
    108,905.04x = 163,367.64 × 42,350.18
  4. Step 4: Simplify right side
    108,905.04x = 6,918,648,143.34
  5. Step 5: Solve for x
    x = 6,918,648,143.34/108,905.04
  6. Step 6: Final answer
    x = 63,529.18

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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.