Home / 141,457.31-195,213.45-81,033.22

Finding the Fourth Proportional to 141,457.31, 195,213.45 and 81,033.22

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Solution

The fourth proportional to 141,457.31, 195,213.45 and 81,033.22 is: 111,827.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,457.31 : 195,213.45 = 81,033.22 : x
  2. Step 2: Convert to fraction form
    141,457.31/195,213.45 = 81,033.22/x
  3. Step 3: Cross multiply
    141,457.31x = 195,213.45 × 81,033.22
  4. Step 4: Simplify right side
    141,457.31x = 15,818,774,440.81
  5. Step 5: Solve for x
    x = 15,818,774,440.81/141,457.31
  6. Step 6: Final answer
    x = 111,827.20

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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.