Home / 258,916.59-357,297.64-144,195.19

Finding the Fourth Proportional to 258,916.59, 357,297.64 and 144,195.19

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Solution

The fourth proportional to 258,916.59, 357,297.64 and 144,195.19 is: 198,985.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,916.59 : 357,297.64 = 144,195.19 : x
  2. Step 2: Convert to fraction form
    258,916.59/357,297.64 = 144,195.19/x
  3. Step 3: Cross multiply
    258,916.59x = 357,297.64 × 144,195.19
  4. Step 4: Simplify right side
    258,916.59x = 51,520,601,086.35
  5. Step 5: Solve for x
    x = 51,520,601,086.35/258,916.59
  6. Step 6: Final answer
    x = 198,985.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.