Home / 137,088.45-205,538.82-73,056.13

Finding the Fourth Proportional to 137,088.45, 205,538.82 and 73,056.13

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Solution

The fourth proportional to 137,088.45, 205,538.82 and 73,056.13 is: 109,534.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,088.45 : 205,538.82 = 73,056.13 : x
  2. Step 2: Convert to fraction form
    137,088.45/205,538.82 = 73,056.13/x
  3. Step 3: Cross multiply
    137,088.45x = 205,538.82 × 73,056.13
  4. Step 4: Simplify right side
    137,088.45x = 15,015,869,966.16
  5. Step 5: Solve for x
    x = 15,015,869,966.16/137,088.45
  6. Step 6: Final answer
    x = 109,534.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.