Home / 403,322.90-604,984.55-166,405.19

Finding the Fourth Proportional to 403,322.90, 604,984.55 and 166,405.19

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Solution

The fourth proportional to 403,322.90, 604,984.55 and 166,405.19 is: 249,607.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,322.90 : 604,984.55 = 166,405.19 : x
  2. Step 2: Convert to fraction form
    403,322.90/604,984.55 = 166,405.19/x
  3. Step 3: Cross multiply
    403,322.90x = 604,984.55 × 166,405.19
  4. Step 4: Simplify right side
    403,322.90x = 100,672,565,132.87
  5. Step 5: Solve for x
    x = 100,672,565,132.87/403,322.90
  6. Step 6: Final answer
    x = 249,607.86

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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.