Home / 157,536.40-236,304.60-148,205.20

Finding the Fourth Proportional to 157,536.40, 236,304.60 and 148,205.20

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Solution

The fourth proportional to 157,536.40, 236,304.60 and 148,205.20 is: 222,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,536.40 : 236,304.60 = 148,205.20 : x
  2. Step 2: Convert to fraction form
    157,536.40/236,304.60 = 148,205.20/x
  3. Step 3: Cross multiply
    157,536.40x = 236,304.60 × 148,205.20
  4. Step 4: Simplify right side
    157,536.40x = 35,021,570,503.92
  5. Step 5: Solve for x
    x = 35,021,570,503.92/157,536.40
  6. Step 6: Final answer
    x = 222,307.80

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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.