Home / 190,038.40-284,827.20-84,745.60

Finding the Fourth Proportional to 190,038.40, 284,827.20 and 84,745.60

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Solution

The fourth proportional to 190,038.40, 284,827.20 and 84,745.60 is: 127,015.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,038.40 : 284,827.20 = 84,745.60 : x
  2. Step 2: Convert to fraction form
    190,038.40/284,827.20 = 84,745.60/x
  3. Step 3: Cross multiply
    190,038.40x = 284,827.20 × 84,745.60
  4. Step 4: Simplify right side
    190,038.40x = 24,137,851,960.32
  5. Step 5: Solve for x
    x = 24,137,851,960.32/190,038.40
  6. Step 6: Final answer
    x = 127,015.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.