Home / 301,215.16-451,528.98-143,401.24

Finding the Fourth Proportional to 301,215.16, 451,528.98 and 143,401.24

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Solution

The fourth proportional to 301,215.16, 451,528.98 and 143,401.24 is: 214,962.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,215.16 : 451,528.98 = 143,401.24 : x
  2. Step 2: Convert to fraction form
    301,215.16/451,528.98 = 143,401.24/x
  3. Step 3: Cross multiply
    301,215.16x = 451,528.98 × 143,401.24
  4. Step 4: Simplify right side
    301,215.16x = 64,749,815,627.94
  5. Step 5: Solve for x
    x = 64,749,815,627.94/301,215.16
  6. Step 6: Final answer
    x = 214,962.01

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1.5x scale

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.