Home / 124,284.30-186,079.02-67,153.51

Finding the Fourth Proportional to 124,284.30, 186,079.02 and 67,153.51

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Solution

The fourth proportional to 124,284.30, 186,079.02 and 67,153.51 is: 100,542.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,284.30 : 186,079.02 = 67,153.51 : x
  2. Step 2: Convert to fraction form
    124,284.30/186,079.02 = 67,153.51/x
  3. Step 3: Cross multiply
    124,284.30x = 186,079.02 × 67,153.51
  4. Step 4: Simplify right side
    124,284.30x = 12,495,859,330.36
  5. Step 5: Solve for x
    x = 12,495,859,330.36/124,284.30
  6. Step 6: Final answer
    x = 100,542.54

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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.