Home / 352,621.94-528,916.49-86,368.37

Finding the Fourth Proportional to 352,621.94, 528,916.49 and 86,368.37

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Solution

The fourth proportional to 352,621.94, 528,916.49 and 86,368.37 is: 129,548.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,621.94 : 528,916.49 = 86,368.37 : x
  2. Step 2: Convert to fraction form
    352,621.94/528,916.49 = 86,368.37/x
  3. Step 3: Cross multiply
    352,621.94x = 528,916.49 × 86,368.37
  4. Step 4: Simplify right side
    352,621.94x = 45,681,652,031.00
  5. Step 5: Solve for x
    x = 45,681,652,031.00/352,621.94
  6. Step 6: Final answer
    x = 129,548.53

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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.