Home / 172,598.08-238,137.22-111,318.34

Finding the Fourth Proportional to 172,598.08, 238,137.22 and 111,318.34

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Solution

The fourth proportional to 172,598.08, 238,137.22 and 111,318.34 is: 153,588.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,598.08 : 238,137.22 = 111,318.34 : x
  2. Step 2: Convert to fraction form
    172,598.08/238,137.22 = 111,318.34/x
  3. Step 3: Cross multiply
    172,598.08x = 238,137.22 × 111,318.34
  4. Step 4: Simplify right side
    172,598.08x = 26,509,039,119.91
  5. Step 5: Solve for x
    x = 26,509,039,119.91/172,598.08
  6. Step 6: Final answer
    x = 153,588.27

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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.