Home / 161,277.47-222,570.51-89,658.69

Finding the Fourth Proportional to 161,277.47, 222,570.51 and 89,658.69

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Solution

The fourth proportional to 161,277.47, 222,570.51 and 89,658.69 is: 123,733.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,277.47 : 222,570.51 = 89,658.69 : x
  2. Step 2: Convert to fraction form
    161,277.47/222,570.51 = 89,658.69/x
  3. Step 3: Cross multiply
    161,277.47x = 222,570.51 × 89,658.69
  4. Step 4: Simplify right side
    161,277.47x = 19,955,379,354.51
  5. Step 5: Solve for x
    x = 19,955,379,354.51/161,277.47
  6. Step 6: Final answer
    x = 123,733.21

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1.5x scale

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.