Home / 403,219.18-604,928.40-166,629.52

Finding the Fourth Proportional to 403,219.18, 604,928.40 and 166,629.52

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Solution

The fourth proportional to 403,219.18, 604,928.40 and 166,629.52 is: 249,985.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,219.18 : 604,928.40 = 166,629.52 : x
  2. Step 2: Convert to fraction form
    403,219.18/604,928.40 = 166,629.52/x
  3. Step 3: Cross multiply
    403,219.18x = 604,928.40 × 166,629.52
  4. Step 4: Simplify right side
    403,219.18x = 100,798,928,926.37
  5. Step 5: Solve for x
    x = 100,798,928,926.37/403,219.18
  6. Step 6: Final answer
    x = 249,985.45

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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.