Home / 116,838.51-161,237.21-63,123.49

Finding the Fourth Proportional to 116,838.51, 161,237.21 and 63,123.49

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Solution

The fourth proportional to 116,838.51, 161,237.21 and 63,123.49 is: 87,110.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,838.51 : 161,237.21 = 63,123.49 : x
  2. Step 2: Convert to fraction form
    116,838.51/161,237.21 = 63,123.49/x
  3. Step 3: Cross multiply
    116,838.51x = 161,237.21 × 63,123.49
  4. Step 4: Simplify right side
    116,838.51x = 10,177,855,413.06
  5. Step 5: Solve for x
    x = 10,177,855,413.06/116,838.51
  6. Step 6: Final answer
    x = 87,110.45

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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.