Home / 248,125.12-342,490.71-140,766.50

Finding the Fourth Proportional to 248,125.12, 342,490.71 and 140,766.50

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Solution

The fourth proportional to 248,125.12, 342,490.71 and 140,766.50 is: 194,302.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,125.12 : 342,490.71 = 140,766.50 : x
  2. Step 2: Convert to fraction form
    248,125.12/342,490.71 = 140,766.50/x
  3. Step 3: Cross multiply
    248,125.12x = 342,490.71 × 140,766.50
  4. Step 4: Simplify right side
    248,125.12x = 48,211,219,913.32
  5. Step 5: Solve for x
    x = 48,211,219,913.32/248,125.12
  6. Step 6: Final answer
    x = 194,302.05

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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.