Home / 192,697.02-288,973.64-66,301.52

Finding the Fourth Proportional to 192,697.02, 288,973.64 and 66,301.52

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Solution

The fourth proportional to 192,697.02, 288,973.64 and 66,301.52 is: 99,427.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,697.02 : 288,973.64 = 66,301.52 : x
  2. Step 2: Convert to fraction form
    192,697.02/288,973.64 = 66,301.52/x
  3. Step 3: Cross multiply
    192,697.02x = 288,973.64 × 66,301.52
  4. Step 4: Simplify right side
    192,697.02x = 19,159,390,292.82
  5. Step 5: Solve for x
    x = 19,159,390,292.82/192,697.02
  6. Step 6: Final answer
    x = 99,427.54

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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.