Home / 190,527.07-262,915.55-105,644.13

Finding the Fourth Proportional to 190,527.07, 262,915.55 and 105,644.13

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Solution

The fourth proportional to 190,527.07, 262,915.55 and 105,644.13 is: 145,782.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,527.07 : 262,915.55 = 105,644.13 : x
  2. Step 2: Convert to fraction form
    190,527.07/262,915.55 = 105,644.13/x
  3. Step 3: Cross multiply
    190,527.07x = 262,915.55 × 105,644.13
  4. Step 4: Simplify right side
    190,527.07x = 27,775,484,607.01
  5. Step 5: Solve for x
    x = 27,775,484,607.01/190,527.07
  6. Step 6: Final answer
    x = 145,782.35

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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.