Home / 170,656.30-256,276.05-111,753.10

Finding the Fourth Proportional to 170,656.30, 256,276.05 and 111,753.10

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Solution

The fourth proportional to 170,656.30, 256,276.05 and 111,753.10 is: 167,820.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,656.30 : 256,276.05 = 111,753.10 : x
  2. Step 2: Convert to fraction form
    170,656.30/256,276.05 = 111,753.10/x
  3. Step 3: Cross multiply
    170,656.30x = 256,276.05 × 111,753.10
  4. Step 4: Simplify right side
    170,656.30x = 28,639,643,043.26
  5. Step 5: Solve for x
    x = 28,639,643,043.26/170,656.30
  6. Step 6: Final answer
    x = 167,820.60

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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.