Home / 258,991.24-357,407.46-145,814.44

Finding the Fourth Proportional to 258,991.24, 357,407.46 and 145,814.44

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Solution

The fourth proportional to 258,991.24, 357,407.46 and 145,814.44 is: 201,223.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,991.24 : 357,407.46 = 145,814.44 : x
  2. Step 2: Convert to fraction form
    258,991.24/357,407.46 = 145,814.44/x
  3. Step 3: Cross multiply
    258,991.24x = 357,407.46 × 145,814.44
  4. Step 4: Simplify right side
    258,991.24x = 52,115,168,631.72
  5. Step 5: Solve for x
    x = 52,115,168,631.72/258,991.24
  6. Step 6: Final answer
    x = 201,223.67

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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.