Home / 352,421.17-486,341.67-191,276.20

Finding the Fourth Proportional to 352,421.17, 486,341.67 and 191,276.20

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Solution

The fourth proportional to 352,421.17, 486,341.67 and 191,276.20 is: 263,961.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,421.17 : 486,341.67 = 191,276.20 : x
  2. Step 2: Convert to fraction form
    352,421.17/486,341.67 = 191,276.20/x
  3. Step 3: Cross multiply
    352,421.17x = 486,341.67 × 191,276.20
  4. Step 4: Simplify right side
    352,421.17x = 93,025,586,539.25
  5. Step 5: Solve for x
    x = 93,025,586,539.25/352,421.17
  6. Step 6: Final answer
    x = 263,961.40

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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.