Home / 352,336.30-528,501.91-86,094.36

Finding the Fourth Proportional to 352,336.30, 528,501.91 and 86,094.36

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Solution

The fourth proportional to 352,336.30, 528,501.91 and 86,094.36 is: 129,140.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,336.30 : 528,501.91 = 86,094.36 : x
  2. Step 2: Convert to fraction form
    352,336.30/528,501.91 = 86,094.36/x
  3. Step 3: Cross multiply
    352,336.30x = 528,501.91 × 86,094.36
  4. Step 4: Simplify right side
    352,336.30x = 45,501,034,806.25
  5. Step 5: Solve for x
    x = 45,501,034,806.25/352,336.30
  6. Step 6: Final answer
    x = 129,140.92

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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.