Home / 236,532.40-354,855.09-78,762.22

Finding the Fourth Proportional to 236,532.40, 354,855.09 and 78,762.22

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Solution

The fourth proportional to 236,532.40, 354,855.09 and 78,762.22 is: 118,162.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,532.40 : 354,855.09 = 78,762.22 : x
  2. Step 2: Convert to fraction form
    236,532.40/354,855.09 = 78,762.22/x
  3. Step 3: Cross multiply
    236,532.40x = 354,855.09 × 78,762.22
  4. Step 4: Simplify right side
    236,532.40x = 27,949,173,779.56
  5. Step 5: Solve for x
    x = 27,949,173,779.56/236,532.40
  6. Step 6: Final answer
    x = 118,162.14

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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.