Home / 140,240.16-193,529.52-76,580.64

Finding the Fourth Proportional to 140,240.16, 193,529.52 and 76,580.64

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Solution

The fourth proportional to 140,240.16, 193,529.52 and 76,580.64 is: 105,680.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,240.16 : 193,529.52 = 76,580.64 : x
  2. Step 2: Convert to fraction form
    140,240.16/193,529.52 = 76,580.64/x
  3. Step 3: Cross multiply
    140,240.16x = 193,529.52 × 76,580.64
  4. Step 4: Simplify right side
    140,240.16x = 14,820,614,500.49
  5. Step 5: Solve for x
    x = 14,820,614,500.49/140,240.16
  6. Step 6: Final answer
    x = 105,680.25

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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.