Home / 145,597.10-218,405.63-49,495.21

Finding the Fourth Proportional to 145,597.10, 218,405.63 and 49,495.21

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Solution

The fourth proportional to 145,597.10, 218,405.63 and 49,495.21 is: 74,246.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,597.10 : 218,405.63 = 49,495.21 : x
  2. Step 2: Convert to fraction form
    145,597.10/218,405.63 = 49,495.21/x
  3. Step 3: Cross multiply
    145,597.10x = 218,405.63 × 49,495.21
  4. Step 4: Simplify right side
    145,597.10x = 10,810,032,522.03
  5. Step 5: Solve for x
    x = 10,810,032,522.03/145,597.10
  6. Step 6: Final answer
    x = 74,246.21

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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.