Home / 137,957.23-190,379.99-77,526.57

Finding the Fourth Proportional to 137,957.23, 190,379.99 and 77,526.57

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Solution

The fourth proportional to 137,957.23, 190,379.99 and 77,526.57 is: 106,986.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,957.23 : 190,379.99 = 77,526.57 : x
  2. Step 2: Convert to fraction form
    137,957.23/190,379.99 = 77,526.57/x
  3. Step 3: Cross multiply
    137,957.23x = 190,379.99 × 77,526.57
  4. Step 4: Simplify right side
    137,957.23x = 14,759,507,022.10
  5. Step 5: Solve for x
    x = 14,759,507,022.10/137,957.23
  6. Step 6: Final answer
    x = 106,986.11

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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.