Home / 295,217.40-442,869.30-154,986.60

Finding the Fourth Proportional to 295,217.40, 442,869.30 and 154,986.60

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Solution

The fourth proportional to 295,217.40, 442,869.30 and 154,986.60 is: 232,502.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,217.40 : 442,869.30 = 154,986.60 : x
  2. Step 2: Convert to fraction form
    295,217.40/442,869.30 = 154,986.60/x
  3. Step 3: Cross multiply
    295,217.40x = 442,869.30 × 154,986.60
  4. Step 4: Simplify right side
    295,217.40x = 68,638,807,051.38
  5. Step 5: Solve for x
    x = 68,638,807,051.38/295,217.40
  6. Step 6: Final answer
    x = 232,502.58

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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.