Home / 352,619.80-528,966.60-115,980.93

Finding the Fourth Proportional to 352,619.80, 528,966.60 and 115,980.93

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Solution

The fourth proportional to 352,619.80, 528,966.60 and 115,980.93 is: 173,983.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,619.80 : 528,966.60 = 115,980.93 : x
  2. Step 2: Convert to fraction form
    352,619.80/528,966.60 = 115,980.93/x
  3. Step 3: Cross multiply
    352,619.80x = 528,966.60 × 115,980.93
  4. Step 4: Simplify right side
    352,619.80x = 61,350,038,206.94
  5. Step 5: Solve for x
    x = 61,350,038,206.94/352,619.80
  6. Step 6: Final answer
    x = 173,983.53

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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.