Home / 191,513.40-286,589.70-166,824.60

Finding the Fourth Proportional to 191,513.40, 286,589.70 and 166,824.60

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Solution

The fourth proportional to 191,513.40, 286,589.70 and 166,824.60 is: 249,644.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,513.40 : 286,589.70 = 166,824.60 : x
  2. Step 2: Convert to fraction form
    191,513.40/286,589.70 = 166,824.60/x
  3. Step 3: Cross multiply
    191,513.40x = 286,589.70 × 166,824.60
  4. Step 4: Simplify right side
    191,513.40x = 47,810,212,066.62
  5. Step 5: Solve for x
    x = 47,810,212,066.62/191,513.40
  6. Step 6: Final answer
    x = 249,644.21

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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.