Home / 190,937.60-263,422.38-118,307.34

Finding the Fourth Proportional to 190,937.60, 263,422.38 and 118,307.34

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Solution

The fourth proportional to 190,937.60, 263,422.38 and 118,307.34 is: 163,219.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,937.60 : 263,422.38 = 118,307.34 : x
  2. Step 2: Convert to fraction form
    190,937.60/263,422.38 = 118,307.34/x
  3. Step 3: Cross multiply
    190,937.60x = 263,422.38 × 118,307.34
  4. Step 4: Simplify right side
    190,937.60x = 31,164,801,074.27
  5. Step 5: Solve for x
    x = 31,164,801,074.27/190,937.60
  6. Step 6: Final answer
    x = 163,219.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.