Home / 144,499.10-216,782.49-60,314.30

Finding the Fourth Proportional to 144,499.10, 216,782.49 and 60,314.30

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Solution

The fourth proportional to 144,499.10, 216,782.49 and 60,314.30 is: 90,485.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,499.10 : 216,782.49 = 60,314.30 : x
  2. Step 2: Convert to fraction form
    144,499.10/216,782.49 = 60,314.30/x
  3. Step 3: Cross multiply
    144,499.10x = 216,782.49 × 60,314.30
  4. Step 4: Simplify right side
    144,499.10x = 13,075,084,136.61
  5. Step 5: Solve for x
    x = 13,075,084,136.61/144,499.10
  6. Step 6: Final answer
    x = 90,485.57

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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.