Home / 130,121.37-195,049.09-73,842.63

Finding the Fourth Proportional to 130,121.37, 195,049.09 and 73,842.63

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Solution

The fourth proportional to 130,121.37, 195,049.09 and 73,842.63 is: 110,688.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,121.37 : 195,049.09 = 73,842.63 : x
  2. Step 2: Convert to fraction form
    130,121.37/195,049.09 = 73,842.63/x
  3. Step 3: Cross multiply
    130,121.37x = 195,049.09 × 73,842.63
  4. Step 4: Simplify right side
    130,121.37x = 14,402,937,784.71
  5. Step 5: Solve for x
    x = 14,402,937,784.71/130,121.37
  6. Step 6: Final answer
    x = 110,688.49

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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.