Home / 352,270.08-528,421.86-112,409.40

Finding the Fourth Proportional to 352,270.08, 528,421.86 and 112,409.40

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Solution

The fourth proportional to 352,270.08, 528,421.86 and 112,409.40 is: 168,619.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,270.08 : 528,421.86 = 112,409.40 : x
  2. Step 2: Convert to fraction form
    352,270.08/528,421.86 = 112,409.40/x
  3. Step 3: Cross multiply
    352,270.08x = 528,421.86 × 112,409.40
  4. Step 4: Simplify right side
    352,270.08x = 59,399,584,229.48
  5. Step 5: Solve for x
    x = 59,399,584,229.48/352,270.08
  6. Step 6: Final answer
    x = 168,619.44

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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.