Home / 144,567.06-216,980.19-121,021.98

Finding the Fourth Proportional to 144,567.06, 216,980.19 and 121,021.98

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Solution

The fourth proportional to 144,567.06, 216,980.19 and 121,021.98 is: 181,641.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,567.06 : 216,980.19 = 121,021.98 : x
  2. Step 2: Convert to fraction form
    144,567.06/216,980.19 = 121,021.98/x
  3. Step 3: Cross multiply
    144,567.06x = 216,980.19 × 121,021.98
  4. Step 4: Simplify right side
    144,567.06x = 26,259,372,214.58
  5. Step 5: Solve for x
    x = 26,259,372,214.58/144,567.06
  6. Step 6: Final answer
    x = 181,641.46

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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.