Home / 230,101.65-345,011.53-89,696.25

Finding the Fourth Proportional to 230,101.65, 345,011.53 and 89,696.25

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Solution

The fourth proportional to 230,101.65, 345,011.53 and 89,696.25 is: 134,489.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,101.65 : 345,011.53 = 89,696.25 : x
  2. Step 2: Convert to fraction form
    230,101.65/345,011.53 = 89,696.25/x
  3. Step 3: Cross multiply
    230,101.65x = 345,011.53 × 89,696.25
  4. Step 4: Simplify right side
    230,101.65x = 30,946,240,447.76
  5. Step 5: Solve for x
    x = 30,946,240,447.76/230,101.65
  6. Step 6: Final answer
    x = 134,489.43

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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.