Home / 130,064.47-195,112.33-45,807.22

Finding the Fourth Proportional to 130,064.47, 195,112.33 and 45,807.22

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Solution

The fourth proportional to 130,064.47, 195,112.33 and 45,807.22 is: 68,716.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,064.47 : 195,112.33 = 45,807.22 : x
  2. Step 2: Convert to fraction form
    130,064.47/195,112.33 = 45,807.22/x
  3. Step 3: Cross multiply
    130,064.47x = 195,112.33 × 45,807.22
  4. Step 4: Simplify right side
    130,064.47x = 8,937,553,425.02
  5. Step 5: Solve for x
    x = 8,937,553,425.02/130,064.47
  6. Step 6: Final answer
    x = 68,716.33

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1.5x scale

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.