Home / 116,343.69-160,615.52-78,303.23

Finding the Fourth Proportional to 116,343.69, 160,615.52 and 78,303.23

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Solution

The fourth proportional to 116,343.69, 160,615.52 and 78,303.23 is: 108,099.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,343.69 : 160,615.52 = 78,303.23 : x
  2. Step 2: Convert to fraction form
    116,343.69/160,615.52 = 78,303.23/x
  3. Step 3: Cross multiply
    116,343.69x = 160,615.52 × 78,303.23
  4. Step 4: Simplify right side
    116,343.69x = 12,576,712,809.54
  5. Step 5: Solve for x
    x = 12,576,712,809.54/116,343.69
  6. Step 6: Final answer
    x = 108,099.66

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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.