Home / 190,056.06-262,275.84-105,177.78

Finding the Fourth Proportional to 190,056.06, 262,275.84 and 105,177.78

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Solution

The fourth proportional to 190,056.06, 262,275.84 and 105,177.78 is: 145,144.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,056.06 : 262,275.84 = 105,177.78 : x
  2. Step 2: Convert to fraction form
    190,056.06/262,275.84 = 105,177.78/x
  3. Step 3: Cross multiply
    190,056.06x = 262,275.84 × 105,177.78
  4. Step 4: Simplify right side
    190,056.06x = 27,585,590,598.84
  5. Step 5: Solve for x
    x = 27,585,590,598.84/190,056.06
  6. Step 6: Final answer
    x = 145,144.49

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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.