Home / 130,074.95-195,131.01-40,125.23

Finding the Fourth Proportional to 130,074.95, 195,131.01 and 40,125.23

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Solution

The fourth proportional to 130,074.95, 195,131.01 and 40,125.23 is: 60,193.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,074.95 : 195,131.01 = 40,125.23 : x
  2. Step 2: Convert to fraction form
    130,074.95/195,131.01 = 40,125.23/x
  3. Step 3: Cross multiply
    130,074.95x = 195,131.01 × 40,125.23
  4. Step 4: Simplify right side
    130,074.95x = 7,829,676,656.38
  5. Step 5: Solve for x
    x = 7,829,676,656.38/130,074.95
  6. Step 6: Final answer
    x = 60,193.58

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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.