Home / 346,922.08-520,418.82-130,962.71

Finding the Fourth Proportional to 346,922.08, 520,418.82 and 130,962.71

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Solution

The fourth proportional to 346,922.08, 520,418.82 and 130,962.71 is: 196,457.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,922.08 : 520,418.82 = 130,962.71 : x
  2. Step 2: Convert to fraction form
    346,922.08/520,418.82 = 130,962.71/x
  3. Step 3: Cross multiply
    346,922.08x = 520,418.82 × 130,962.71
  4. Step 4: Simplify right side
    346,922.08x = 68,155,459,002.20
  5. Step 5: Solve for x
    x = 68,155,459,002.20/346,922.08
  6. Step 6: Final answer
    x = 196,457.54

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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.