Home / 357,531.57-536,239.04-108,155.25

Finding the Fourth Proportional to 357,531.57, 536,239.04 and 108,155.25

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Solution

The fourth proportional to 357,531.57, 536,239.04 and 108,155.25 is: 162,215.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,531.57 : 536,239.04 = 108,155.25 : x
  2. Step 2: Convert to fraction form
    357,531.57/536,239.04 = 108,155.25/x
  3. Step 3: Cross multiply
    357,531.57x = 536,239.04 × 108,155.25
  4. Step 4: Simplify right side
    357,531.57x = 57,997,066,890.18
  5. Step 5: Solve for x
    x = 57,997,066,890.18/357,531.57
  6. Step 6: Final answer
    x = 162,215.23

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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.