Home / 195,740.53-293,400.90-128,247.08

Finding the Fourth Proportional to 195,740.53, 293,400.90 and 128,247.08

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Solution

The fourth proportional to 195,740.53, 293,400.90 and 128,247.08 is: 192,233.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,740.53 : 293,400.90 = 128,247.08 : x
  2. Step 2: Convert to fraction form
    195,740.53/293,400.90 = 128,247.08/x
  3. Step 3: Cross multiply
    195,740.53x = 293,400.90 × 128,247.08
  4. Step 4: Simplify right side
    195,740.53x = 37,627,808,694.37
  5. Step 5: Solve for x
    x = 37,627,808,694.37/195,740.53
  6. Step 6: Final answer
    x = 192,233.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.