Home / 447,112.60-670,526.64-147,537.34

Finding the Fourth Proportional to 447,112.60, 670,526.64 and 147,537.34

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Solution

The fourth proportional to 447,112.60, 670,526.64 and 147,537.34 is: 221,259.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,112.60 : 670,526.64 = 147,537.34 : x
  2. Step 2: Convert to fraction form
    447,112.60/670,526.64 = 147,537.34/x
  3. Step 3: Cross multiply
    447,112.60x = 670,526.64 × 147,537.34
  4. Step 4: Simplify right side
    447,112.60x = 98,927,716,864.74
  5. Step 5: Solve for x
    x = 98,927,716,864.74/447,112.60
  6. Step 6: Final answer
    x = 221,259.07

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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.