Home / 124,871.04-186,845.76-74,981.52

Finding the Fourth Proportional to 124,871.04, 186,845.76 and 74,981.52

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Solution

The fourth proportional to 124,871.04, 186,845.76 and 74,981.52 is: 112,195.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,871.04 : 186,845.76 = 74,981.52 : x
  2. Step 2: Convert to fraction form
    124,871.04/186,845.76 = 74,981.52/x
  3. Step 3: Cross multiply
    124,871.04x = 186,845.76 × 74,981.52
  4. Step 4: Simplify right side
    124,871.04x = 14,009,979,090.36
  5. Step 5: Solve for x
    x = 14,009,979,090.36/124,871.04
  6. Step 6: Final answer
    x = 112,195.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.