Home / 130,037.40-195,056.10-36,543.15

Finding the Fourth Proportional to 130,037.40, 195,056.10 and 36,543.15

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Solution

The fourth proportional to 130,037.40, 195,056.10 and 36,543.15 is: 54,814.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,037.40 : 195,056.10 = 36,543.15 : x
  2. Step 2: Convert to fraction form
    130,037.40/195,056.10 = 36,543.15/x
  3. Step 3: Cross multiply
    130,037.40x = 195,056.10 × 36,543.15
  4. Step 4: Simplify right side
    130,037.40x = 7,127,964,320.72
  5. Step 5: Solve for x
    x = 7,127,964,320.72/130,037.40
  6. Step 6: Final answer
    x = 54,814.73

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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.