Home / 156,637.08-215,995.77-92,962.58

Finding the Fourth Proportional to 156,637.08, 215,995.77 and 92,962.58

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Solution

The fourth proportional to 156,637.08, 215,995.77 and 92,962.58 is: 128,191.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,637.08 : 215,995.77 = 92,962.58 : x
  2. Step 2: Convert to fraction form
    156,637.08/215,995.77 = 92,962.58/x
  3. Step 3: Cross multiply
    156,637.08x = 215,995.77 × 92,962.58
  4. Step 4: Simplify right side
    156,637.08x = 20,079,522,968.31
  5. Step 5: Solve for x
    x = 20,079,522,968.31/156,637.08
  6. Step 6: Final answer
    x = 128,191.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.