Home / 403,329.90-604,995.04-166,412.18

Finding the Fourth Proportional to 403,329.90, 604,995.04 and 166,412.18

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Solution

The fourth proportional to 403,329.90, 604,995.04 and 166,412.18 is: 249,618.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,329.90 : 604,995.04 = 166,412.18 : x
  2. Step 2: Convert to fraction form
    403,329.90/604,995.04 = 166,412.18/x
  3. Step 3: Cross multiply
    403,329.90x = 604,995.04 × 166,412.18
  4. Step 4: Simplify right side
    403,329.90x = 100,678,543,495.59
  5. Step 5: Solve for x
    x = 100,678,543,495.59/403,329.90
  6. Step 6: Final answer
    x = 249,618.35

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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.