Home / 108,913.97-163,307.52-42,276.25

Finding the Fourth Proportional to 108,913.97, 163,307.52 and 42,276.25

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Solution

The fourth proportional to 108,913.97, 163,307.52 and 42,276.25 is: 63,389.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,913.97 : 163,307.52 = 42,276.25 : x
  2. Step 2: Convert to fraction form
    108,913.97/163,307.52 = 42,276.25/x
  3. Step 3: Cross multiply
    108,913.97x = 163,307.52 × 42,276.25
  4. Step 4: Simplify right side
    108,913.97x = 6,904,029,542.40
  5. Step 5: Solve for x
    x = 6,904,029,542.40/108,913.97
  6. Step 6: Final answer
    x = 63,389.75

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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.