Home / 171,168.28-236,226.95-99,543.25

Finding the Fourth Proportional to 171,168.28, 236,226.95 and 99,543.25

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Solution

The fourth proportional to 171,168.28, 236,226.95 and 99,543.25 is: 137,378.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,168.28 : 236,226.95 = 99,543.25 : x
  2. Step 2: Convert to fraction form
    171,168.28/236,226.95 = 99,543.25/x
  3. Step 3: Cross multiply
    171,168.28x = 236,226.95 × 99,543.25
  4. Step 4: Simplify right side
    171,168.28x = 23,514,798,340.59
  5. Step 5: Solve for x
    x = 23,514,798,340.59/171,168.28
  6. Step 6: Final answer
    x = 137,378.25

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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.