Home / 180,821.68-249,527.16-101,328.56

Finding the Fourth Proportional to 180,821.68, 249,527.16 and 101,328.56

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Solution

The fourth proportional to 180,821.68, 249,527.16 and 101,328.56 is: 139,829.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,821.68 : 249,527.16 = 101,328.56 : x
  2. Step 2: Convert to fraction form
    180,821.68/249,527.16 = 101,328.56/x
  3. Step 3: Cross multiply
    180,821.68x = 249,527.16 × 101,328.56
  4. Step 4: Simplify right side
    180,821.68x = 25,284,227,803.69
  5. Step 5: Solve for x
    x = 25,284,227,803.69/180,821.68
  6. Step 6: Final answer
    x = 139,829.63

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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.