Home / 141,444.02-195,194.13-77,782.25

Finding the Fourth Proportional to 141,444.02, 195,194.13 and 77,782.25

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Solution

The fourth proportional to 141,444.02, 195,194.13 and 77,782.25 is: 107,340.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,444.02 : 195,194.13 = 77,782.25 : x
  2. Step 2: Convert to fraction form
    141,444.02/195,194.13 = 77,782.25/x
  3. Step 3: Cross multiply
    141,444.02x = 195,194.13 × 77,782.25
  4. Step 4: Simplify right side
    141,444.02x = 15,182,638,618.19
  5. Step 5: Solve for x
    x = 15,182,638,618.19/141,444.02
  6. Step 6: Final answer
    x = 107,340.27

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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.