Home / 236,533.40-354,856.59-78,763.22

Finding the Fourth Proportional to 236,533.40, 354,856.59 and 78,763.22

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Solution

The fourth proportional to 236,533.40, 354,856.59 and 78,763.22 is: 118,163.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,533.40 : 354,856.59 = 78,763.22 : x
  2. Step 2: Convert to fraction form
    236,533.40/354,856.59 = 78,763.22/x
  3. Step 3: Cross multiply
    236,533.40x = 354,856.59 × 78,763.22
  4. Step 4: Simplify right side
    236,533.40x = 27,949,647,666.62
  5. Step 5: Solve for x
    x = 27,949,647,666.62/236,533.40
  6. Step 6: Final answer
    x = 118,163.64

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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.