Home / 141,457.16-195,176.61-89,755.43

Finding the Fourth Proportional to 141,457.16, 195,176.61 and 89,755.43

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Solution

The fourth proportional to 141,457.16, 195,176.61 and 89,755.43 is: 123,840.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,457.16 : 195,176.61 = 89,755.43 : x
  2. Step 2: Convert to fraction form
    141,457.16/195,176.61 = 89,755.43/x
  3. Step 3: Cross multiply
    141,457.16x = 195,176.61 × 89,755.43
  4. Step 4: Simplify right side
    141,457.16x = 17,518,161,044.43
  5. Step 5: Solve for x
    x = 17,518,161,044.43/141,457.16
  6. Step 6: Final answer
    x = 123,840.75

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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.