Home / 130,266.81-179,768.18-70,650.81

Finding the Fourth Proportional to 130,266.81, 179,768.18 and 70,650.81

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Solution

The fourth proportional to 130,266.81, 179,768.18 and 70,650.81 is: 97,498.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,266.81 : 179,768.18 = 70,650.81 : x
  2. Step 2: Convert to fraction form
    130,266.81/179,768.18 = 70,650.81/x
  3. Step 3: Cross multiply
    130,266.81x = 179,768.18 × 70,650.81
  4. Step 4: Simplify right side
    130,266.81x = 12,700,767,175.97
  5. Step 5: Solve for x
    x = 12,700,767,175.97/130,266.81
  6. Step 6: Final answer
    x = 97,498.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.