Home / 120,210.53-180,307.26-41,323.01

Finding the Fourth Proportional to 120,210.53, 180,307.26 and 41,323.01

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Solution

The fourth proportional to 120,210.53, 180,307.26 and 41,323.01 is: 61,981.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,210.53 : 180,307.26 = 41,323.01 : x
  2. Step 2: Convert to fraction form
    120,210.53/180,307.26 = 41,323.01/x
  3. Step 3: Cross multiply
    120,210.53x = 180,307.26 × 41,323.01
  4. Step 4: Simplify right side
    120,210.53x = 7,450,837,806.52
  5. Step 5: Solve for x
    x = 7,450,837,806.52/120,210.53
  6. Step 6: Final answer
    x = 61,981.58

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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.