Home / 130,887.36-196,055.20-59,869.80

Finding the Fourth Proportional to 130,887.36, 196,055.20 and 59,869.80

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Solution

The fourth proportional to 130,887.36, 196,055.20 and 59,869.80 is: 89,678.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,887.36 : 196,055.20 = 59,869.80 : x
  2. Step 2: Convert to fraction form
    130,887.36/196,055.20 = 59,869.80/x
  3. Step 3: Cross multiply
    130,887.36x = 196,055.20 × 59,869.80
  4. Step 4: Simplify right side
    130,887.36x = 11,737,785,612.96
  5. Step 5: Solve for x
    x = 11,737,785,612.96/130,887.36
  6. Step 6: Final answer
    x = 89,678.53

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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.