Home / 195,632.12-293,532.42-105,656.78

Finding the Fourth Proportional to 195,632.12, 293,532.42 and 105,656.78

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Solution

The fourth proportional to 195,632.12, 293,532.42 and 105,656.78 is: 158,530.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,632.12 : 293,532.42 = 105,656.78 : x
  2. Step 2: Convert to fraction form
    195,632.12/293,532.42 = 105,656.78/x
  3. Step 3: Cross multiply
    195,632.12x = 293,532.42 × 105,656.78
  4. Step 4: Simplify right side
    195,632.12x = 31,013,690,322.81
  5. Step 5: Solve for x
    x = 31,013,690,322.81/195,632.12
  6. Step 6: Final answer
    x = 158,530.67

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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.