Home / 190,275.74-285,321.57-70,251.35

Finding the Fourth Proportional to 190,275.74, 285,321.57 and 70,251.35

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Solution

The fourth proportional to 190,275.74, 285,321.57 and 70,251.35 is: 105,343.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,275.74 : 285,321.57 = 70,251.35 : x
  2. Step 2: Convert to fraction form
    190,275.74/285,321.57 = 70,251.35/x
  3. Step 3: Cross multiply
    190,275.74x = 285,321.57 × 70,251.35
  4. Step 4: Simplify right side
    190,275.74x = 20,044,225,476.62
  5. Step 5: Solve for x
    x = 20,044,225,476.62/190,275.74
  6. Step 6: Final answer
    x = 105,343.04

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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.