Home / 189,927.36-262,088.76-103,869.57

Finding the Fourth Proportional to 189,927.36, 262,088.76 and 103,869.57

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Solution

The fourth proportional to 189,927.36, 262,088.76 and 103,869.57 is: 143,333.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,927.36 : 262,088.76 = 103,869.57 : x
  2. Step 2: Convert to fraction form
    189,927.36/262,088.76 = 103,869.57/x
  3. Step 3: Cross multiply
    189,927.36x = 262,088.76 × 103,869.57
  4. Step 4: Simplify right side
    189,927.36x = 27,223,046,803.03
  5. Step 5: Solve for x
    x = 27,223,046,803.03/189,927.36
  6. Step 6: Final answer
    x = 143,333.99

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.