Home / 147,685.14-221,541.41-114,442.40

Finding the Fourth Proportional to 147,685.14, 221,541.41 and 114,442.40

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Solution

The fourth proportional to 147,685.14, 221,541.41 and 114,442.40 is: 171,674.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,685.14 : 221,541.41 = 114,442.40 : x
  2. Step 2: Convert to fraction form
    147,685.14/221,541.41 = 114,442.40/x
  3. Step 3: Cross multiply
    147,685.14x = 221,541.41 × 114,442.40
  4. Step 4: Simplify right side
    147,685.14x = 25,353,731,499.74
  5. Step 5: Solve for x
    x = 25,353,731,499.74/147,685.14
  6. Step 6: Final answer
    x = 171,674.22

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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.