Home / 147,053.27-220,491.05-65,985.50

Finding the Fourth Proportional to 147,053.27, 220,491.05 and 65,985.50

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Solution

The fourth proportional to 147,053.27, 220,491.05 and 65,985.50 is: 98,938.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,053.27 : 220,491.05 = 65,985.50 : x
  2. Step 2: Convert to fraction form
    147,053.27/220,491.05 = 65,985.50/x
  3. Step 3: Cross multiply
    147,053.27x = 220,491.05 × 65,985.50
  4. Step 4: Simplify right side
    147,053.27x = 14,549,212,401.08
  5. Step 5: Solve for x
    x = 14,549,212,401.08/147,053.27
  6. Step 6: Final answer
    x = 98,938.38

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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.