Home / 190,099.31-262,066.59-129,592.31

Finding the Fourth Proportional to 190,099.31, 262,066.59 and 129,592.31

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Solution

The fourth proportional to 190,099.31, 262,066.59 and 129,592.31 is: 178,653.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,099.31 : 262,066.59 = 129,592.31 : x
  2. Step 2: Convert to fraction form
    190,099.31/262,066.59 = 129,592.31/x
  3. Step 3: Cross multiply
    190,099.31x = 262,066.59 × 129,592.31
  4. Step 4: Simplify right side
    190,099.31x = 33,961,813,461.59
  5. Step 5: Solve for x
    x = 33,961,813,461.59/190,099.31
  6. Step 6: Final answer
    x = 178,653.01

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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.