Home / 104,929.18-144,802.28-57,182.54

Finding the Fourth Proportional to 104,929.18, 144,802.28 and 57,182.54

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Solution

The fourth proportional to 104,929.18, 144,802.28 and 57,182.54 is: 78,911.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,929.18 : 144,802.28 = 57,182.54 : x
  2. Step 2: Convert to fraction form
    104,929.18/144,802.28 = 57,182.54/x
  3. Step 3: Cross multiply
    104,929.18x = 144,802.28 × 57,182.54
  4. Step 4: Simplify right side
    104,929.18x = 8,280,162,168.19
  5. Step 5: Solve for x
    x = 8,280,162,168.19/104,929.18
  6. Step 6: Final answer
    x = 78,911.91

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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.