Home / 352,530.34-528,683.19-115,818.10

Finding the Fourth Proportional to 352,530.34, 528,683.19 and 115,818.10

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Solution

The fourth proportional to 352,530.34, 528,683.19 and 115,818.10 is: 173,690.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,530.34 : 528,683.19 = 115,818.10 : x
  2. Step 2: Convert to fraction form
    352,530.34/528,683.19 = 115,818.10/x
  3. Step 3: Cross multiply
    352,530.34x = 528,683.19 × 115,818.10
  4. Step 4: Simplify right side
    352,530.34x = 61,231,082,567.74
  5. Step 5: Solve for x
    x = 61,231,082,567.74/352,530.34
  6. Step 6: Final answer
    x = 173,690.25

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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.