Home / 108,675.20-163,108.80-64,246.40

Finding the Fourth Proportional to 108,675.20, 163,108.80 and 64,246.40

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Solution

The fourth proportional to 108,675.20, 163,108.80 and 64,246.40 is: 96,426.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,675.20 : 163,108.80 = 64,246.40 : x
  2. Step 2: Convert to fraction form
    108,675.20/163,108.80 = 64,246.40/x
  3. Step 3: Cross multiply
    108,675.20x = 163,108.80 × 64,246.40
  4. Step 4: Simplify right side
    108,675.20x = 10,479,153,208.32
  5. Step 5: Solve for x
    x = 10,479,153,208.32/108,675.20
  6. Step 6: Final answer
    x = 96,426.35

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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.