Home / 190,220.94-262,501.65-105,336.18

Finding the Fourth Proportional to 190,220.94, 262,501.65 and 105,336.18

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Solution

The fourth proportional to 190,220.94, 262,501.65 and 105,336.18 is: 145,362.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,220.94 : 262,501.65 = 105,336.18 : x
  2. Step 2: Convert to fraction form
    190,220.94/262,501.65 = 105,336.18/x
  3. Step 3: Cross multiply
    190,220.94x = 262,501.65 × 105,336.18
  4. Step 4: Simplify right side
    190,220.94x = 27,650,921,054.70
  5. Step 5: Solve for x
    x = 27,650,921,054.70/190,220.94
  6. Step 6: Final answer
    x = 145,362.13

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1.5x scale

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.