Home / 190,070.51-262,271.30-113,573.48

Finding the Fourth Proportional to 190,070.51, 262,271.30 and 113,573.48

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Solution

The fourth proportional to 190,070.51, 262,271.30 and 113,573.48 is: 156,715.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,070.51 : 262,271.30 = 113,573.48 : x
  2. Step 2: Convert to fraction form
    190,070.51/262,271.30 = 113,573.48/x
  3. Step 3: Cross multiply
    190,070.51x = 262,271.30 × 113,573.48
  4. Step 4: Simplify right side
    190,070.51x = 29,787,062,365.90
  5. Step 5: Solve for x
    x = 29,787,062,365.90/190,070.51
  6. Step 6: Final answer
    x = 156,715.86

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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.