Home / 352,455.30-486,386.57-191,309.04

Finding the Fourth Proportional to 352,455.30, 486,386.57 and 191,309.04

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Solution

The fourth proportional to 352,455.30, 486,386.57 and 191,309.04 is: 264,005.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,455.30 : 486,386.57 = 191,309.04 : x
  2. Step 2: Convert to fraction form
    352,455.30/486,386.57 = 191,309.04/x
  3. Step 3: Cross multiply
    352,455.30x = 486,386.57 × 191,309.04
  4. Step 4: Simplify right side
    352,455.30x = 93,050,148,253.87
  5. Step 5: Solve for x
    x = 93,050,148,253.87/352,455.30
  6. Step 6: Final answer
    x = 264,005.53

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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.