Home / 108,872.48-163,266.72-42,303.84

Finding the Fourth Proportional to 108,872.48, 163,266.72 and 42,303.84

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Solution

The fourth proportional to 108,872.48, 163,266.72 and 42,303.84 is: 63,439.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,872.48 : 163,266.72 = 42,303.84 : x
  2. Step 2: Convert to fraction form
    108,872.48/163,266.72 = 42,303.84/x
  3. Step 3: Cross multiply
    108,872.48x = 163,266.72 × 42,303.84
  4. Step 4: Simplify right side
    108,872.48x = 6,906,809,200.20
  5. Step 5: Solve for x
    x = 6,906,809,200.20/108,872.48
  6. Step 6: Final answer
    x = 63,439.44

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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.