Home / 144,020.07-216,055.71-49,260.78

Finding the Fourth Proportional to 144,020.07, 216,055.71 and 49,260.78

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Solution

The fourth proportional to 144,020.07, 216,055.71 and 49,260.78 is: 73,899.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,020.07 : 216,055.71 = 49,260.78 : x
  2. Step 2: Convert to fraction form
    144,020.07/216,055.71 = 49,260.78/x
  3. Step 3: Cross multiply
    144,020.07x = 216,055.71 × 49,260.78
  4. Step 4: Simplify right side
    144,020.07x = 10,643,072,798.05
  5. Step 5: Solve for x
    x = 10,643,072,798.05/144,020.07
  6. Step 6: Final answer
    x = 73,899.93

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1.5x scale

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.