Home / 357,845.06-536,833.20-147,368.18

Finding the Fourth Proportional to 357,845.06, 536,833.20 and 147,368.18

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Solution

The fourth proportional to 357,845.06, 536,833.20 and 147,368.18 is: 221,079.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,845.06 : 536,833.20 = 147,368.18 : x
  2. Step 2: Convert to fraction form
    357,845.06/536,833.20 = 147,368.18/x
  3. Step 3: Cross multiply
    357,845.06x = 536,833.20 × 147,368.18
  4. Step 4: Simplify right side
    357,845.06x = 79,112,131,647.58
  5. Step 5: Solve for x
    x = 79,112,131,647.58/357,845.06
  6. Step 6: Final answer
    x = 221,079.29

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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.