Home / 476,239.16-714,172.56-172,561.18

Finding the Fourth Proportional to 476,239.16, 714,172.56 and 172,561.18

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Solution

The fourth proportional to 476,239.16, 714,172.56 and 172,561.18 is: 258,774.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,239.16 : 714,172.56 = 172,561.18 : x
  2. Step 2: Convert to fraction form
    476,239.16/714,172.56 = 172,561.18/x
  3. Step 3: Cross multiply
    476,239.16x = 714,172.56 × 172,561.18
  4. Step 4: Simplify right side
    476,239.16x = 123,238,459,677.22
  5. Step 5: Solve for x
    x = 123,238,459,677.22/476,239.16
  6. Step 6: Final answer
    x = 258,774.31

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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.