Home / 447,116.60-670,532.64-147,541.34

Finding the Fourth Proportional to 447,116.60, 670,532.64 and 147,541.34

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Solution

The fourth proportional to 447,116.60, 670,532.64 and 147,541.34 is: 221,265.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,116.60 : 670,532.64 = 147,541.34 : x
  2. Step 2: Convert to fraction form
    447,116.60/670,532.64 = 147,541.34/x
  3. Step 3: Cross multiply
    447,116.60x = 670,532.64 × 147,541.34
  4. Step 4: Simplify right side
    447,116.60x = 98,931,284,219.34
  5. Step 5: Solve for x
    x = 98,931,284,219.34/447,116.60
  6. Step 6: Final answer
    x = 221,265.07

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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.