Home / 163,333.12-225,233.94-153,808.60

Finding the Fourth Proportional to 163,333.12, 225,233.94 and 153,808.60

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Solution

The fourth proportional to 163,333.12, 225,233.94 and 153,808.60 is: 212,099.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,333.12 : 225,233.94 = 153,808.60 : x
  2. Step 2: Convert to fraction form
    163,333.12/225,233.94 = 153,808.60/x
  3. Step 3: Cross multiply
    163,333.12x = 225,233.94 × 153,808.60
  4. Step 4: Simplify right side
    163,333.12x = 34,642,916,983.88
  5. Step 5: Solve for x
    x = 34,642,916,983.88/163,333.12
  6. Step 6: Final answer
    x = 212,099.77

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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.