Home / 145,612.21-201,006.86-97,893.24

Finding the Fourth Proportional to 145,612.21, 201,006.86 and 97,893.24

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Solution

The fourth proportional to 145,612.21, 201,006.86 and 97,893.24 is: 135,134.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,612.21 : 201,006.86 = 97,893.24 : x
  2. Step 2: Convert to fraction form
    145,612.21/201,006.86 = 97,893.24/x
  3. Step 3: Cross multiply
    145,612.21x = 201,006.86 × 97,893.24
  4. Step 4: Simplify right side
    145,612.21x = 19,677,212,787.63
  5. Step 5: Solve for x
    x = 19,677,212,787.63/145,612.21
  6. Step 6: Final answer
    x = 135,134.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.