Home / 141,541.74-195,329.07-81,111.06

Finding the Fourth Proportional to 141,541.74, 195,329.07 and 81,111.06

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Solution

The fourth proportional to 141,541.74, 195,329.07 and 81,111.06 is: 111,934.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,541.74 : 195,329.07 = 81,111.06 : x
  2. Step 2: Convert to fraction form
    141,541.74/195,329.07 = 81,111.06/x
  3. Step 3: Cross multiply
    141,541.74x = 195,329.07 × 81,111.06
  4. Step 4: Simplify right side
    141,541.74x = 15,843,347,916.51
  5. Step 5: Solve for x
    x = 15,843,347,916.51/141,541.74
  6. Step 6: Final answer
    x = 111,934.10

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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.