Home / 190,882.21-286,225.38-100,973.45

Finding the Fourth Proportional to 190,882.21, 286,225.38 and 100,973.45

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Solution

The fourth proportional to 190,882.21, 286,225.38 and 100,973.45 is: 151,408.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,882.21 : 286,225.38 = 100,973.45 : x
  2. Step 2: Convert to fraction form
    190,882.21/286,225.38 = 100,973.45/x
  3. Step 3: Cross multiply
    190,882.21x = 286,225.38 × 100,973.45
  4. Step 4: Simplify right side
    190,882.21x = 28,901,164,096.16
  5. Step 5: Solve for x
    x = 28,901,164,096.16/190,882.21
  6. Step 6: Final answer
    x = 151,408.37

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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.