Home / 145,094.40-217,411.20-121,593.60

Finding the Fourth Proportional to 145,094.40, 217,411.20 and 121,593.60

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Solution

The fourth proportional to 145,094.40, 217,411.20 and 121,593.60 is: 182,197.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,094.40 : 217,411.20 = 121,593.60 : x
  2. Step 2: Convert to fraction form
    145,094.40/217,411.20 = 121,593.60/x
  3. Step 3: Cross multiply
    145,094.40x = 217,411.20 × 121,593.60
  4. Step 4: Simplify right side
    145,094.40x = 26,435,810,488.32
  5. Step 5: Solve for x
    x = 26,435,810,488.32/145,094.40
  6. Step 6: Final answer
    x = 182,197.32

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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.