Home / 272,021.51-375,365.81-151,155.14

Finding the Fourth Proportional to 272,021.51, 375,365.81 and 151,155.14

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Solution

The fourth proportional to 272,021.51, 375,365.81 and 151,155.14 is: 208,580.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,021.51 : 375,365.81 = 151,155.14 : x
  2. Step 2: Convert to fraction form
    272,021.51/375,365.81 = 151,155.14/x
  3. Step 3: Cross multiply
    272,021.51x = 375,365.81 × 151,155.14
  4. Step 4: Simplify right side
    272,021.51x = 56,738,470,062.82
  5. Step 5: Solve for x
    x = 56,738,470,062.82/272,021.51
  6. Step 6: Final answer
    x = 208,580.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.