Home / 172,616.34-238,176.45-109,041.30

Finding the Fourth Proportional to 172,616.34, 238,176.45 and 109,041.30

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Solution

The fourth proportional to 172,616.34, 238,176.45 and 109,041.30 is: 150,455.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,616.34 : 238,176.45 = 109,041.30 : x
  2. Step 2: Convert to fraction form
    172,616.34/238,176.45 = 109,041.30/x
  3. Step 3: Cross multiply
    172,616.34x = 238,176.45 × 109,041.30
  4. Step 4: Simplify right side
    172,616.34x = 25,971,069,737.39
  5. Step 5: Solve for x
    x = 25,971,069,737.39/172,616.34
  6. Step 6: Final answer
    x = 150,455.45

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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.