Home / 144,173.04-216,181.80-55,448.88

Finding the Fourth Proportional to 144,173.04, 216,181.80 and 55,448.88

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Solution

The fourth proportional to 144,173.04, 216,181.80 and 55,448.88 is: 83,143.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,173.04 : 216,181.80 = 55,448.88 : x
  2. Step 2: Convert to fraction form
    144,173.04/216,181.80 = 55,448.88/x
  3. Step 3: Cross multiply
    144,173.04x = 216,181.80 × 55,448.88
  4. Step 4: Simplify right side
    144,173.04x = 11,987,038,686.38
  5. Step 5: Solve for x
    x = 11,987,038,686.38/144,173.04
  6. Step 6: Final answer
    x = 83,143.41

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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.