Home / 141,583.75-195,386.95-77,923.01

Finding the Fourth Proportional to 141,583.75, 195,386.95 and 77,923.01

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Solution

The fourth proportional to 141,583.75, 195,386.95 and 77,923.01 is: 107,534.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,583.75 : 195,386.95 = 77,923.01 : x
  2. Step 2: Convert to fraction form
    141,583.75/195,386.95 = 77,923.01/x
  3. Step 3: Cross multiply
    141,583.75x = 195,386.95 × 77,923.01
  4. Step 4: Simplify right side
    141,583.75x = 15,225,139,844.59
  5. Step 5: Solve for x
    x = 15,225,139,844.59/141,583.75
  6. Step 6: Final answer
    x = 107,534.52

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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.