Home / 141,021.81-194,618.70-93,192.12

Finding the Fourth Proportional to 141,021.81, 194,618.70 and 93,192.12

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Solution

The fourth proportional to 141,021.81, 194,618.70 and 93,192.12 is: 128,610.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,021.81 : 194,618.70 = 93,192.12 : x
  2. Step 2: Convert to fraction form
    141,021.81/194,618.70 = 93,192.12/x
  3. Step 3: Cross multiply
    141,021.81x = 194,618.70 × 93,192.12
  4. Step 4: Simplify right side
    141,021.81x = 18,136,929,244.64
  5. Step 5: Solve for x
    x = 18,136,929,244.64/141,021.81
  6. Step 6: Final answer
    x = 128,610.81

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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.