Home / 147,102.21-220,459.64-58,307.31

Finding the Fourth Proportional to 147,102.21, 220,459.64 and 58,307.31

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Solution

The fourth proportional to 147,102.21, 220,459.64 and 58,307.31 is: 87,384.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,102.21 : 220,459.64 = 58,307.31 : x
  2. Step 2: Convert to fraction form
    147,102.21/220,459.64 = 58,307.31/x
  3. Step 3: Cross multiply
    147,102.21x = 220,459.64 × 58,307.31
  4. Step 4: Simplify right side
    147,102.21x = 12,854,408,280.43
  5. Step 5: Solve for x
    x = 12,854,408,280.43/147,102.21
  6. Step 6: Final answer
    x = 87,384.20

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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.