Home / 525,834.51-788,857.87-166,061.60

Finding the Fourth Proportional to 525,834.51, 788,857.87 and 166,061.60

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Solution

The fourth proportional to 525,834.51, 788,857.87 and 166,061.60 is: 249,125.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,834.51 : 788,857.87 = 166,061.60 : x
  2. Step 2: Convert to fraction form
    525,834.51/788,857.87 = 166,061.60/x
  3. Step 3: Cross multiply
    525,834.51x = 788,857.87 × 166,061.60
  4. Step 4: Simplify right side
    525,834.51x = 130,999,000,064.79
  5. Step 5: Solve for x
    x = 130,999,000,064.79/525,834.51
  6. Step 6: Final answer
    x = 249,125.91

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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.