Home / 192,330.21-265,416.50-105,117.06

Finding the Fourth Proportional to 192,330.21, 265,416.50 and 105,117.06

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Solution

The fourth proportional to 192,330.21, 265,416.50 and 105,117.06 is: 145,061.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,330.21 : 265,416.50 = 105,117.06 : x
  2. Step 2: Convert to fraction form
    192,330.21/265,416.50 = 105,117.06/x
  3. Step 3: Cross multiply
    192,330.21x = 265,416.50 × 105,117.06
  4. Step 4: Simplify right side
    192,330.21x = 27,899,801,629.90
  5. Step 5: Solve for x
    x = 27,899,801,629.90/192,330.21
  6. Step 6: Final answer
    x = 145,061.98

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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.