Home / 236,001.60-354,132-111,339.36

Finding the Fourth Proportional to 236,001.60, 354,132 and 111,339.36

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Solution

The fourth proportional to 236,001.60, 354,132 and 111,339.36 is: 167,070.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,001.60 : 354,132 = 111,339.36 : x
  2. Step 2: Convert to fraction form
    236,001.60/354,132 = 111,339.36/x
  3. Step 3: Cross multiply
    236,001.60x = 354,132 × 111,339.36
  4. Step 4: Simplify right side
    236,001.60x = 39,428,830,235.52
  5. Step 5: Solve for x
    x = 39,428,830,235.52/236,001.60
  6. Step 6: Final answer
    x = 167,070.18

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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.