Home / 190,126.05-262,440-117,584.46

Finding the Fourth Proportional to 190,126.05, 262,440 and 117,584.46

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Solution

The fourth proportional to 190,126.05, 262,440 and 117,584.46 is: 162,307.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,126.05 : 262,440 = 117,584.46 : x
  2. Step 2: Convert to fraction form
    190,126.05/262,440 = 117,584.46/x
  3. Step 3: Cross multiply
    190,126.05x = 262,440 × 117,584.46
  4. Step 4: Simplify right side
    190,126.05x = 30,858,865,682.40
  5. Step 5: Solve for x
    x = 30,858,865,682.40/190,126.05
  6. Step 6: Final answer
    x = 162,307.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.