Home / 130,164.28-195,176.23-70,224.88

Finding the Fourth Proportional to 130,164.28, 195,176.23 and 70,224.88

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Solution

The fourth proportional to 130,164.28, 195,176.23 and 70,224.88 is: 105,299.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,164.28 : 195,176.23 = 70,224.88 : x
  2. Step 2: Convert to fraction form
    130,164.28/195,176.23 = 70,224.88/x
  3. Step 3: Cross multiply
    130,164.28x = 195,176.23 × 70,224.88
  4. Step 4: Simplify right side
    130,164.28x = 13,706,227,330.60
  5. Step 5: Solve for x
    x = 13,706,227,330.60/130,164.28
  6. Step 6: Final answer
    x = 105,299.45

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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.