Home / 130,840.77-196,136.46-42,031.91

Finding the Fourth Proportional to 130,840.77, 196,136.46 and 42,031.91

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Solution

The fourth proportional to 130,840.77, 196,136.46 and 42,031.91 is: 63,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,840.77 : 196,136.46 = 42,031.91 : x
  2. Step 2: Convert to fraction form
    130,840.77/196,136.46 = 42,031.91/x
  3. Step 3: Cross multiply
    130,840.77x = 196,136.46 × 42,031.91
  4. Step 4: Simplify right side
    130,840.77x = 8,243,989,053.76
  5. Step 5: Solve for x
    x = 8,243,989,053.76/130,840.77
  6. Step 6: Final answer
    x = 63,007.80

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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.