Home / 130,222.18-196,309.32-121,542.16

Finding the Fourth Proportional to 130,222.18, 196,309.32 and 121,542.16

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Solution

The fourth proportional to 130,222.18, 196,309.32 and 121,542.16 is: 183,224.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,222.18 : 196,309.32 = 121,542.16 : x
  2. Step 2: Convert to fraction form
    130,222.18/196,309.32 = 121,542.16/x
  3. Step 3: Cross multiply
    130,222.18x = 196,309.32 × 121,542.16
  4. Step 4: Simplify right side
    130,222.18x = 23,859,857,191.67
  5. Step 5: Solve for x
    x = 23,859,857,191.67/130,222.18
  6. Step 6: Final answer
    x = 183,224.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.