Home / 352,880.28-529,329.06-103,570.20

Finding the Fourth Proportional to 352,880.28, 529,329.06 and 103,570.20

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Solution

The fourth proportional to 352,880.28, 529,329.06 and 103,570.20 is: 155,357.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,880.28 : 529,329.06 = 103,570.20 : x
  2. Step 2: Convert to fraction form
    352,880.28/529,329.06 = 103,570.20/x
  3. Step 3: Cross multiply
    352,880.28x = 529,329.06 × 103,570.20
  4. Step 4: Simplify right side
    352,880.28x = 54,822,716,610.01
  5. Step 5: Solve for x
    x = 54,822,716,610.01/352,880.28
  6. Step 6: Final answer
    x = 155,357.84

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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.