Home / 111,344.82-153,602.34-73,089.06

Finding the Fourth Proportional to 111,344.82, 153,602.34 and 73,089.06

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Solution

The fourth proportional to 111,344.82, 153,602.34 and 73,089.06 is: 100,827.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,344.82 : 153,602.34 = 73,089.06 : x
  2. Step 2: Convert to fraction form
    111,344.82/153,602.34 = 73,089.06/x
  3. Step 3: Cross multiply
    111,344.82x = 153,602.34 × 73,089.06
  4. Step 4: Simplify right side
    111,344.82x = 11,226,650,644.40
  5. Step 5: Solve for x
    x = 11,226,650,644.40/111,344.82
  6. Step 6: Final answer
    x = 100,827.78

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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.