Home / 236,415.60-354,623.40-111,999.60

Finding the Fourth Proportional to 236,415.60, 354,623.40 and 111,999.60

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Solution

The fourth proportional to 236,415.60, 354,623.40 and 111,999.60 is: 167,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,415.60 : 354,623.40 = 111,999.60 : x
  2. Step 2: Convert to fraction form
    236,415.60/354,623.40 = 111,999.60/x
  3. Step 3: Cross multiply
    236,415.60x = 354,623.40 × 111,999.60
  4. Step 4: Simplify right side
    236,415.60x = 39,717,678,950.64
  5. Step 5: Solve for x
    x = 39,717,678,950.64/236,415.60
  6. Step 6: Final answer
    x = 167,999.40

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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.