Home / 190,030.66-285,090.35-55,097.55

Finding the Fourth Proportional to 190,030.66, 285,090.35 and 55,097.55

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Solution

The fourth proportional to 190,030.66, 285,090.35 and 55,097.55 is: 82,659.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,030.66 : 285,090.35 = 55,097.55 : x
  2. Step 2: Convert to fraction form
    190,030.66/285,090.35 = 55,097.55/x
  3. Step 3: Cross multiply
    190,030.66x = 285,090.35 × 55,097.55
  4. Step 4: Simplify right side
    190,030.66x = 15,707,779,538.15
  5. Step 5: Solve for x
    x = 15,707,779,538.15/190,030.66
  6. Step 6: Final answer
    x = 82,659.19

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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.