Home / 133,187.06-183,803.74-76,598.48

Finding the Fourth Proportional to 133,187.06, 183,803.74 and 76,598.48

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Solution

The fourth proportional to 133,187.06, 183,803.74 and 76,598.48 is: 105,709.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,187.06 : 183,803.74 = 76,598.48 : x
  2. Step 2: Convert to fraction form
    133,187.06/183,803.74 = 76,598.48/x
  3. Step 3: Cross multiply
    133,187.06x = 183,803.74 × 76,598.48
  4. Step 4: Simplify right side
    133,187.06x = 14,079,087,102.32
  5. Step 5: Solve for x
    x = 14,079,087,102.32/133,187.06
  6. Step 6: Final answer
    x = 105,709.12

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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.