Home / 437,628.51-656,553.47-122,085.18

Finding the Fourth Proportional to 437,628.51, 656,553.47 and 122,085.18

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Solution

The fourth proportional to 437,628.51, 656,553.47 and 122,085.18 is: 183,158.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,628.51 : 656,553.47 = 122,085.18 : x
  2. Step 2: Convert to fraction form
    437,628.51/656,553.47 = 122,085.18/x
  3. Step 3: Cross multiply
    437,628.51x = 656,553.47 × 122,085.18
  4. Step 4: Simplify right side
    437,628.51x = 80,155,447,954.15
  5. Step 5: Solve for x
    x = 80,155,447,954.15/437,628.51
  6. Step 6: Final answer
    x = 183,158.65

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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.