Home / 190,266.56-285,402.66-90,437.02

Finding the Fourth Proportional to 190,266.56, 285,402.66 and 90,437.02

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Solution

The fourth proportional to 190,266.56, 285,402.66 and 90,437.02 is: 135,656.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,266.56 : 285,402.66 = 90,437.02 : x
  2. Step 2: Convert to fraction form
    190,266.56/285,402.66 = 90,437.02/x
  3. Step 3: Cross multiply
    190,266.56x = 285,402.66 × 90,437.02
  4. Step 4: Simplify right side
    190,266.56x = 25,810,966,070.47
  5. Step 5: Solve for x
    x = 25,810,966,070.47/190,266.56
  6. Step 6: Final answer
    x = 135,656.87

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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.