Home / 104,740.95-144,629.61-97,143

Finding the Fourth Proportional to 104,740.95, 144,629.61 and 97,143

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Solution

The fourth proportional to 104,740.95, 144,629.61 and 97,143 is: 134,138.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,740.95 : 144,629.61 = 97,143 : x
  2. Step 2: Convert to fraction form
    104,740.95/144,629.61 = 97,143/x
  3. Step 3: Cross multiply
    104,740.95x = 144,629.61 × 97,143
  4. Step 4: Simplify right side
    104,740.95x = 14,049,754,204.23
  5. Step 5: Solve for x
    x = 14,049,754,204.23/104,740.95
  6. Step 6: Final answer
    x = 134,138.12

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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.