Home / 134,485.07-185,590.76-74,061.32

Finding the Fourth Proportional to 134,485.07, 185,590.76 and 74,061.32

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Solution

The fourth proportional to 134,485.07, 185,590.76 and 74,061.32 is: 102,205.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,485.07 : 185,590.76 = 74,061.32 : x
  2. Step 2: Convert to fraction form
    134,485.07/185,590.76 = 74,061.32/x
  3. Step 3: Cross multiply
    134,485.07x = 185,590.76 × 74,061.32
  4. Step 4: Simplify right side
    134,485.07x = 13,745,095,367.14
  5. Step 5: Solve for x
    x = 13,745,095,367.14/134,485.07
  6. Step 6: Final answer
    x = 102,205.37

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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.