Home / 190,014.90-284,834.35-89,999.30

Finding the Fourth Proportional to 190,014.90, 284,834.35 and 89,999.30

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Solution

The fourth proportional to 190,014.90, 284,834.35 and 89,999.30 is: 134,909.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,014.90 : 284,834.35 = 89,999.30 : x
  2. Step 2: Convert to fraction form
    190,014.90/284,834.35 = 89,999.30/x
  3. Step 3: Cross multiply
    190,014.90x = 284,834.35 × 89,999.30
  4. Step 4: Simplify right side
    190,014.90x = 25,634,892,115.96
  5. Step 5: Solve for x
    x = 25,634,892,115.96/190,014.90
  6. Step 6: Final answer
    x = 134,909.91

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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.