Home / 140,277.36-193,582.46-76,615.16

Finding the Fourth Proportional to 140,277.36, 193,582.46 and 76,615.16

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Solution

The fourth proportional to 140,277.36, 193,582.46 and 76,615.16 is: 105,728.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,277.36 : 193,582.46 = 76,615.16 : x
  2. Step 2: Convert to fraction form
    140,277.36/193,582.46 = 76,615.16/x
  3. Step 3: Cross multiply
    140,277.36x = 193,582.46 × 76,615.16
  4. Step 4: Simplify right side
    140,277.36x = 14,831,351,146.09
  5. Step 5: Solve for x
    x = 14,831,351,146.09/140,277.36
  6. Step 6: Final answer
    x = 105,728.76

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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.