Home / 190,680.07-286,020.10-66,021.07

Finding the Fourth Proportional to 190,680.07, 286,020.10 and 66,021.07

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Solution

The fourth proportional to 190,680.07, 286,020.10 and 66,021.07 is: 99,031.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,680.07 : 286,020.10 = 66,021.07 : x
  2. Step 2: Convert to fraction form
    190,680.07/286,020.10 = 66,021.07/x
  3. Step 3: Cross multiply
    190,680.07x = 286,020.10 × 66,021.07
  4. Step 4: Simplify right side
    190,680.07x = 18,883,351,283.30
  5. Step 5: Solve for x
    x = 18,883,351,283.30/190,680.07
  6. Step 6: Final answer
    x = 99,031.60

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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.