Home / 141,582.18-195,361.02-81,141.18

Finding the Fourth Proportional to 141,582.18, 195,361.02 and 81,141.18

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Solution

The fourth proportional to 141,582.18, 195,361.02 and 81,141.18 is: 111,962.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,582.18 : 195,361.02 = 81,141.18 : x
  2. Step 2: Convert to fraction form
    141,582.18/195,361.02 = 81,141.18/x
  3. Step 3: Cross multiply
    141,582.18x = 195,361.02 × 81,141.18
  4. Step 4: Simplify right side
    141,582.18x = 15,851,823,688.80
  5. Step 5: Solve for x
    x = 15,851,823,688.80/141,582.18
  6. Step 6: Final answer
    x = 111,962.00

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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.