Home / 141,068.17-194,673.54-77,407.03

Finding the Fourth Proportional to 141,068.17, 194,673.54 and 77,407.03

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Solution

The fourth proportional to 141,068.17, 194,673.54 and 77,407.03 is: 106,821.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,068.17 : 194,673.54 = 77,407.03 : x
  2. Step 2: Convert to fraction form
    141,068.17/194,673.54 = 77,407.03/x
  3. Step 3: Cross multiply
    141,068.17x = 194,673.54 × 77,407.03
  4. Step 4: Simplify right side
    141,068.17x = 15,069,100,550.99
  5. Step 5: Solve for x
    x = 15,069,100,550.99/141,068.17
  6. Step 6: Final answer
    x = 106,821.41

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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.