Home / 120,370.25-180,554.93-36,130.04

Finding the Fourth Proportional to 120,370.25, 180,554.93 and 36,130.04

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Solution

The fourth proportional to 120,370.25, 180,554.93 and 36,130.04 is: 54,194.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,370.25 : 180,554.93 = 36,130.04 : x
  2. Step 2: Convert to fraction form
    120,370.25/180,554.93 = 36,130.04/x
  3. Step 3: Cross multiply
    120,370.25x = 180,554.93 × 36,130.04
  4. Step 4: Simplify right side
    120,370.25x = 6,523,457,113.83
  5. Step 5: Solve for x
    x = 6,523,457,113.83/120,370.25
  6. Step 6: Final answer
    x = 54,194.93

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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.