Home / 130,713.52-196,088.64-51,835.72

Finding the Fourth Proportional to 130,713.52, 196,088.64 and 51,835.72

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Solution

The fourth proportional to 130,713.52, 196,088.64 and 51,835.72 is: 77,760.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,713.52 : 196,088.64 = 51,835.72 : x
  2. Step 2: Convert to fraction form
    130,713.52/196,088.64 = 51,835.72/x
  3. Step 3: Cross multiply
    130,713.52x = 196,088.64 × 51,835.72
  4. Step 4: Simplify right side
    130,713.52x = 10,164,395,838.22
  5. Step 5: Solve for x
    x = 10,164,395,838.22/130,713.52
  6. Step 6: Final answer
    x = 77,760.86

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1.5x scale

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.