Home / 125,168.07-187,772.49-40,903.77

Finding the Fourth Proportional to 125,168.07, 187,772.49 and 40,903.77

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Solution

The fourth proportional to 125,168.07, 187,772.49 and 40,903.77 is: 61,362.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,168.07 : 187,772.49 = 40,903.77 : x
  2. Step 2: Convert to fraction form
    125,168.07/187,772.49 = 40,903.77/x
  3. Step 3: Cross multiply
    125,168.07x = 187,772.49 × 40,903.77
  4. Step 4: Simplify right side
    125,168.07x = 7,680,602,743.29
  5. Step 5: Solve for x
    x = 7,680,602,743.29/125,168.07
  6. Step 6: Final answer
    x = 61,362.32

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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.