Home / 525,836.02-788,860.15-166,063.10

Finding the Fourth Proportional to 525,836.02, 788,860.15 and 166,063.10

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Solution

The fourth proportional to 525,836.02, 788,860.15 and 166,063.10 is: 249,128.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,836.02 : 788,860.15 = 166,063.10 : x
  2. Step 2: Convert to fraction form
    525,836.02/788,860.15 = 166,063.10/x
  3. Step 3: Cross multiply
    525,836.02x = 788,860.15 × 166,063.10
  4. Step 4: Simplify right side
    525,836.02x = 131,000,561,975.47
  5. Step 5: Solve for x
    x = 131,000,561,975.47/525,836.02
  6. Step 6: Final answer
    x = 249,128.16

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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.