Home / 130,681.04-196,108.95-55,818.68

Finding the Fourth Proportional to 130,681.04, 196,108.95 and 55,818.68

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Solution

The fourth proportional to 130,681.04, 196,108.95 and 55,818.68 is: 83,765.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,681.04 : 196,108.95 = 55,818.68 : x
  2. Step 2: Convert to fraction form
    130,681.04/196,108.95 = 55,818.68/x
  3. Step 3: Cross multiply
    130,681.04x = 196,108.95 × 55,818.68
  4. Step 4: Simplify right side
    130,681.04x = 10,946,542,725.19
  5. Step 5: Solve for x
    x = 10,946,542,725.19/130,681.04
  6. Step 6: Final answer
    x = 83,765.35

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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.