Home / 144,063.02-198,808.76-83,636.21

Finding the Fourth Proportional to 144,063.02, 198,808.76 and 83,636.21

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Solution

The fourth proportional to 144,063.02, 198,808.76 and 83,636.21 is: 115,419.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,063.02 : 198,808.76 = 83,636.21 : x
  2. Step 2: Convert to fraction form
    144,063.02/198,808.76 = 83,636.21/x
  3. Step 3: Cross multiply
    144,063.02x = 198,808.76 × 83,636.21
  4. Step 4: Simplify right side
    144,063.02x = 16,627,611,907.31
  5. Step 5: Solve for x
    x = 16,627,611,907.31/144,063.02
  6. Step 6: Final answer
    x = 115,419.01

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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.