Home / 190,893.32-286,213.60-91,068.92

Finding the Fourth Proportional to 190,893.32, 286,213.60 and 91,068.92

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Solution

The fourth proportional to 190,893.32, 286,213.60 and 91,068.92 is: 136,543.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,893.32 : 286,213.60 = 91,068.92 : x
  2. Step 2: Convert to fraction form
    190,893.32/286,213.60 = 91,068.92/x
  3. Step 3: Cross multiply
    190,893.32x = 286,213.60 × 91,068.92
  4. Step 4: Simplify right side
    190,893.32x = 26,065,163,441.31
  5. Step 5: Solve for x
    x = 26,065,163,441.31/190,893.32
  6. Step 6: Final answer
    x = 136,543.09

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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.