Home / 352,582.60-486,567.78-191,439.40

Finding the Fourth Proportional to 352,582.60, 486,567.78 and 191,439.40

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Solution

The fourth proportional to 352,582.60, 486,567.78 and 191,439.40 is: 264,188.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,582.60 : 486,567.78 = 191,439.40 : x
  2. Step 2: Convert to fraction form
    352,582.60/486,567.78 = 191,439.40/x
  3. Step 3: Cross multiply
    352,582.60x = 486,567.78 × 191,439.40
  4. Step 4: Simplify right side
    352,582.60x = 93,148,243,862.53
  5. Step 5: Solve for x
    x = 93,148,243,862.53/352,582.60
  6. Step 6: Final answer
    x = 264,188.43

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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.