Home / 121,306.33-181,970.46-46,423.45

Finding the Fourth Proportional to 121,306.33, 181,970.46 and 46,423.45

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Solution

The fourth proportional to 121,306.33, 181,970.46 and 46,423.45 is: 69,639.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,306.33 : 181,970.46 = 46,423.45 : x
  2. Step 2: Convert to fraction form
    121,306.33/181,970.46 = 46,423.45/x
  3. Step 3: Cross multiply
    121,306.33x = 181,970.46 × 46,423.45
  4. Step 4: Simplify right side
    121,306.33x = 8,447,696,551.29
  5. Step 5: Solve for x
    x = 8,447,696,551.29/121,306.33
  6. Step 6: Final answer
    x = 69,639.37

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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.