Home / 403,328.90-604,993.54-166,411.18

Finding the Fourth Proportional to 403,328.90, 604,993.54 and 166,411.18

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Solution

The fourth proportional to 403,328.90, 604,993.54 and 166,411.18 is: 249,616.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,328.90 : 604,993.54 = 166,411.18 : x
  2. Step 2: Convert to fraction form
    403,328.90/604,993.54 = 166,411.18/x
  3. Step 3: Cross multiply
    403,328.90x = 604,993.54 × 166,411.18
  4. Step 4: Simplify right side
    403,328.90x = 100,677,688,883.78
  5. Step 5: Solve for x
    x = 100,677,688,883.78/403,328.90
  6. Step 6: Final answer
    x = 249,616.85

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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.