Home / 352,476.81-528,551.19-127,828.17

Finding the Fourth Proportional to 352,476.81, 528,551.19 and 127,828.17

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Solution

The fourth proportional to 352,476.81, 528,551.19 and 127,828.17 is: 191,682.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,476.81 : 528,551.19 = 127,828.17 : x
  2. Step 2: Convert to fraction form
    352,476.81/528,551.19 = 127,828.17/x
  3. Step 3: Cross multiply
    352,476.81x = 528,551.19 × 127,828.17
  4. Step 4: Simplify right side
    352,476.81x = 67,563,731,369.02
  5. Step 5: Solve for x
    x = 67,563,731,369.02/352,476.81
  6. Step 6: Final answer
    x = 191,682.77

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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.