Home / 140,216.63-193,497.93-76,554.42

Finding the Fourth Proportional to 140,216.63, 193,497.93 and 76,554.42

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Solution

The fourth proportional to 140,216.63, 193,497.93 and 76,554.42 is: 105,644.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,216.63 : 193,497.93 = 76,554.42 : x
  2. Step 2: Convert to fraction form
    140,216.63/193,497.93 = 76,554.42/x
  3. Step 3: Cross multiply
    140,216.63x = 193,497.93 × 76,554.42
  4. Step 4: Simplify right side
    140,216.63x = 14,813,121,802.35
  5. Step 5: Solve for x
    x = 14,813,121,802.35/140,216.63
  6. Step 6: Final answer
    x = 105,644.54

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1.5x scale

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.