Home / 157,347.60-236,021.40-73,107.60

Finding the Fourth Proportional to 157,347.60, 236,021.40 and 73,107.60

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Solution

The fourth proportional to 157,347.60, 236,021.40 and 73,107.60 is: 109,661.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,347.60 : 236,021.40 = 73,107.60 : x
  2. Step 2: Convert to fraction form
    157,347.60/236,021.40 = 73,107.60/x
  3. Step 3: Cross multiply
    157,347.60x = 236,021.40 × 73,107.60
  4. Step 4: Simplify right side
    157,347.60x = 17,254,958,102.64
  5. Step 5: Solve for x
    x = 17,254,958,102.64/157,347.60
  6. Step 6: Final answer
    x = 109,661.40

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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.