Home / 134,509.50-185,636.07-74,893.50

Finding the Fourth Proportional to 134,509.50, 185,636.07 and 74,893.50

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Solution

The fourth proportional to 134,509.50, 185,636.07 and 74,893.50 is: 103,360.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,509.50 : 185,636.07 = 74,893.50 : x
  2. Step 2: Convert to fraction form
    134,509.50/185,636.07 = 74,893.50/x
  3. Step 3: Cross multiply
    134,509.50x = 185,636.07 × 74,893.50
  4. Step 4: Simplify right side
    134,509.50x = 13,902,935,008.55
  5. Step 5: Solve for x
    x = 13,902,935,008.55/134,509.50
  6. Step 6: Final answer
    x = 103,360.25

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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.