Home / 119,915.13-179,858.37-93,287.70

Finding the Fourth Proportional to 119,915.13, 179,858.37 and 93,287.70

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Solution

The fourth proportional to 119,915.13, 179,858.37 and 93,287.70 is: 139,920.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,915.13 : 179,858.37 = 93,287.70 : x
  2. Step 2: Convert to fraction form
    119,915.13/179,858.37 = 93,287.70/x
  3. Step 3: Cross multiply
    119,915.13x = 179,858.37 × 93,287.70
  4. Step 4: Simplify right side
    119,915.13x = 16,778,574,012.88
  5. Step 5: Solve for x
    x = 16,778,574,012.88/119,915.13
  6. Step 6: Final answer
    x = 139,920.40

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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.