Home / 386,870.04-580,277.19-102,554.12

Finding the Fourth Proportional to 386,870.04, 580,277.19 and 102,554.12

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Solution

The fourth proportional to 386,870.04, 580,277.19 and 102,554.12 is: 153,823.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,870.04 : 580,277.19 = 102,554.12 : x
  2. Step 2: Convert to fraction form
    386,870.04/580,277.19 = 102,554.12/x
  3. Step 3: Cross multiply
    386,870.04x = 580,277.19 × 102,554.12
  4. Step 4: Simplify right side
    386,870.04x = 59,509,816,576.52
  5. Step 5: Solve for x
    x = 59,509,816,576.52/386,870.04
  6. Step 6: Final answer
    x = 153,823.79

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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.