Home / 248,038.24-342,292.32-134,860.72

Finding the Fourth Proportional to 248,038.24, 342,292.32 and 134,860.72

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Solution

The fourth proportional to 248,038.24, 342,292.32 and 134,860.72 is: 186,107.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,038.24 : 342,292.32 = 134,860.72 : x
  2. Step 2: Convert to fraction form
    248,038.24/342,292.32 = 134,860.72/x
  3. Step 3: Cross multiply
    248,038.24x = 342,292.32 × 134,860.72
  4. Step 4: Simplify right side
    248,038.24x = 46,161,788,725.67
  5. Step 5: Solve for x
    x = 46,161,788,725.67/248,038.24
  6. Step 6: Final answer
    x = 186,107.55

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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.