Home / 352,657.13-528,985.69-103,339.13

Finding the Fourth Proportional to 352,657.13, 528,985.69 and 103,339.13

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Solution

The fourth proportional to 352,657.13, 528,985.69 and 103,339.13 is: 155,008.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,657.13 : 528,985.69 = 103,339.13 : x
  2. Step 2: Convert to fraction form
    352,657.13/528,985.69 = 103,339.13/x
  3. Step 3: Cross multiply
    352,657.13x = 528,985.69 × 103,339.13
  4. Step 4: Simplify right side
    352,657.13x = 54,664,918,083.77
  5. Step 5: Solve for x
    x = 54,664,918,083.77/352,657.13
  6. Step 6: Final answer
    x = 155,008.69

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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.