Home / 157,507.20-236,260.80-113,220.45

Finding the Fourth Proportional to 157,507.20, 236,260.80 and 113,220.45

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Solution

The fourth proportional to 157,507.20, 236,260.80 and 113,220.45 is: 169,830.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,507.20 : 236,260.80 = 113,220.45 : x
  2. Step 2: Convert to fraction form
    157,507.20/236,260.80 = 113,220.45/x
  3. Step 3: Cross multiply
    157,507.20x = 236,260.80 × 113,220.45
  4. Step 4: Simplify right side
    157,507.20x = 26,749,554,093.36
  5. Step 5: Solve for x
    x = 26,749,554,093.36/157,507.20
  6. Step 6: Final answer
    x = 169,830.68

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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.