Home / 171,507.24-236,687.28-99,875.72

Finding the Fourth Proportional to 171,507.24, 236,687.28 and 99,875.72

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Solution

The fourth proportional to 171,507.24, 236,687.28 and 99,875.72 is: 137,832.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,507.24 : 236,687.28 = 99,875.72 : x
  2. Step 2: Convert to fraction form
    171,507.24/236,687.28 = 99,875.72/x
  3. Step 3: Cross multiply
    171,507.24x = 236,687.28 × 99,875.72
  4. Step 4: Simplify right side
    171,507.24x = 23,639,312,504.84
  5. Step 5: Solve for x
    x = 23,639,312,504.84/171,507.24
  6. Step 6: Final answer
    x = 137,832.74

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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.