Home / 134,782.04-185,991.23-74,352.80

Finding the Fourth Proportional to 134,782.04, 185,991.23 and 74,352.80

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Solution

The fourth proportional to 134,782.04, 185,991.23 and 74,352.80 is: 102,602.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,782.04 : 185,991.23 = 74,352.80 : x
  2. Step 2: Convert to fraction form
    134,782.04/185,991.23 = 74,352.80/x
  3. Step 3: Cross multiply
    134,782.04x = 185,991.23 × 74,352.80
  4. Step 4: Simplify right side
    134,782.04x = 13,828,967,981.87
  5. Step 5: Solve for x
    x = 13,828,967,981.87/134,782.04
  6. Step 6: Final answer
    x = 102,602.46

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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.