Home / 258,528.08-387,582.90-116,269.16

Finding the Fourth Proportional to 258,528.08, 387,582.90 and 116,269.16

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Solution

The fourth proportional to 258,528.08, 387,582.90 and 116,269.16 is: 174,309.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,528.08 : 387,582.90 = 116,269.16 : x
  2. Step 2: Convert to fraction form
    258,528.08/387,582.90 = 116,269.16/x
  3. Step 3: Cross multiply
    258,528.08x = 387,582.90 × 116,269.16
  4. Step 4: Simplify right side
    258,528.08x = 45,063,938,213.36
  5. Step 5: Solve for x
    x = 45,063,938,213.36/258,528.08
  6. Step 6: Final answer
    x = 174,309.65

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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.