Home / 141,445.02-195,195.51-77,783.25

Finding the Fourth Proportional to 141,445.02, 195,195.51 and 77,783.25

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Solution

The fourth proportional to 141,445.02, 195,195.51 and 77,783.25 is: 107,341.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,445.02 : 195,195.51 = 77,783.25 : x
  2. Step 2: Convert to fraction form
    141,445.02/195,195.51 = 77,783.25/x
  3. Step 3: Cross multiply
    141,445.02x = 195,195.51 × 77,783.25
  4. Step 4: Simplify right side
    141,445.02x = 15,182,941,153.21
  5. Step 5: Solve for x
    x = 15,182,941,153.21/141,445.02
  6. Step 6: Final answer
    x = 107,341.65

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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.