Home / 525,915.18-788,872.73-126,556.01

Finding the Fourth Proportional to 525,915.18, 788,872.73 and 126,556.01

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Solution

The fourth proportional to 525,915.18, 788,872.73 and 126,556.01 is: 189,834.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,915.18 : 788,872.73 = 126,556.01 : x
  2. Step 2: Convert to fraction form
    525,915.18/788,872.73 = 126,556.01/x
  3. Step 3: Cross multiply
    525,915.18x = 788,872.73 × 126,556.01
  4. Step 4: Simplify right side
    525,915.18x = 99,836,580,529.46
  5. Step 5: Solve for x
    x = 99,836,580,529.46/525,915.18
  6. Step 6: Final answer
    x = 189,834.00

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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.