Home / 230,687.15-346,085.40-118,384.70

Finding the Fourth Proportional to 230,687.15, 346,085.40 and 118,384.70

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Solution

The fourth proportional to 230,687.15, 346,085.40 and 118,384.70 is: 177,605.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,687.15 : 346,085.40 = 118,384.70 : x
  2. Step 2: Convert to fraction form
    230,687.15/346,085.40 = 118,384.70/x
  3. Step 3: Cross multiply
    230,687.15x = 346,085.40 × 118,384.70
  4. Step 4: Simplify right side
    230,687.15x = 40,971,216,253.38
  5. Step 5: Solve for x
    x = 40,971,216,253.38/230,687.15
  6. Step 6: Final answer
    x = 177,605.11

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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.