Home / 141,783.68-195,530-103,482.59

Finding the Fourth Proportional to 141,783.68, 195,530 and 103,482.59

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Solution

The fourth proportional to 141,783.68, 195,530 and 103,482.59 is: 142,710.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,783.68 : 195,530 = 103,482.59 : x
  2. Step 2: Convert to fraction form
    141,783.68/195,530 = 103,482.59/x
  3. Step 3: Cross multiply
    141,783.68x = 195,530 × 103,482.59
  4. Step 4: Simplify right side
    141,783.68x = 20,233,950,822.70
  5. Step 5: Solve for x
    x = 20,233,950,822.70/141,783.68
  6. Step 6: Final answer
    x = 142,710.02

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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.