Home / 173,526.40-259,852.20-128,911.60

Finding the Fourth Proportional to 173,526.40, 259,852.20 and 128,911.60

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Solution

The fourth proportional to 173,526.40, 259,852.20 and 128,911.60 is: 193,042.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,526.40 : 259,852.20 = 128,911.60 : x
  2. Step 2: Convert to fraction form
    173,526.40/259,852.20 = 128,911.60/x
  3. Step 3: Cross multiply
    173,526.40x = 259,852.20 × 128,911.60
  4. Step 4: Simplify right side
    173,526.40x = 33,497,962,865.52
  5. Step 5: Solve for x
    x = 33,497,962,865.52/173,526.40
  6. Step 6: Final answer
    x = 193,042.46

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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.