Home / 130,155.36-195,263.08-55,277.92

Finding the Fourth Proportional to 130,155.36, 195,263.08 and 55,277.92

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Solution

The fourth proportional to 130,155.36, 195,263.08 and 55,277.92 is: 82,929.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,155.36 : 195,263.08 = 55,277.92 : x
  2. Step 2: Convert to fraction form
    130,155.36/195,263.08 = 55,277.92/x
  3. Step 3: Cross multiply
    130,155.36x = 195,263.08 × 55,277.92
  4. Step 4: Simplify right side
    130,155.36x = 10,793,736,915.19
  5. Step 5: Solve for x
    x = 10,793,736,915.19/130,155.36
  6. Step 6: Final answer
    x = 82,929.64

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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.