Home / 141,313.16-195,009.98-77,649.59

Finding the Fourth Proportional to 141,313.16, 195,009.98 and 77,649.59

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Solution

The fourth proportional to 141,313.16, 195,009.98 and 77,649.59 is: 107,155.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,313.16 : 195,009.98 = 77,649.59 : x
  2. Step 2: Convert to fraction form
    141,313.16/195,009.98 = 77,649.59/x
  3. Step 3: Cross multiply
    141,313.16x = 195,009.98 × 77,649.59
  4. Step 4: Simplify right side
    141,313.16x = 15,142,444,604.66
  5. Step 5: Solve for x
    x = 15,142,444,604.66/141,313.16
  6. Step 6: Final answer
    x = 107,155.23

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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.