Home / 370,185.12-555,143.76-133,464.24

Finding the Fourth Proportional to 370,185.12, 555,143.76 and 133,464.24

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Solution

The fourth proportional to 370,185.12, 555,143.76 and 133,464.24 is: 200,148.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,185.12 : 555,143.76 = 133,464.24 : x
  2. Step 2: Convert to fraction form
    370,185.12/555,143.76 = 133,464.24/x
  3. Step 3: Cross multiply
    370,185.12x = 555,143.76 × 133,464.24
  4. Step 4: Simplify right side
    370,185.12x = 74,091,840,019.14
  5. Step 5: Solve for x
    x = 74,091,840,019.14/370,185.12
  6. Step 6: Final answer
    x = 200,148.08

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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.