Home / 157,489.40-235,515.90-117,536.60

Finding the Fourth Proportional to 157,489.40, 235,515.90 and 117,536.60

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Solution

The fourth proportional to 157,489.40, 235,515.90 and 117,536.60 is: 175,768.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,489.40 : 235,515.90 = 117,536.60 : x
  2. Step 2: Convert to fraction form
    157,489.40/235,515.90 = 117,536.60/x
  3. Step 3: Cross multiply
    157,489.40x = 235,515.90 × 117,536.60
  4. Step 4: Simplify right side
    157,489.40x = 27,681,738,131.94
  5. Step 5: Solve for x
    x = 27,681,738,131.94/157,489.40
  6. Step 6: Final answer
    x = 175,768.90

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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.