Home / 154,597.06-213,361.14-86,625.10

Finding the Fourth Proportional to 154,597.06, 213,361.14 and 86,625.10

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Solution

The fourth proportional to 154,597.06, 213,361.14 and 86,625.10 is: 119,552.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,597.06 : 213,361.14 = 86,625.10 : x
  2. Step 2: Convert to fraction form
    154,597.06/213,361.14 = 86,625.10/x
  3. Step 3: Cross multiply
    154,597.06x = 213,361.14 × 86,625.10
  4. Step 4: Simplify right side
    154,597.06x = 18,482,430,088.61
  5. Step 5: Solve for x
    x = 18,482,430,088.61/154,597.06
  6. Step 6: Final answer
    x = 119,552.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.