Home / 180,504.31-249,099.48-99,929.56

Finding the Fourth Proportional to 180,504.31, 249,099.48 and 99,929.56

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Solution

The fourth proportional to 180,504.31, 249,099.48 and 99,929.56 is: 137,904.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,504.31 : 249,099.48 = 99,929.56 : x
  2. Step 2: Convert to fraction form
    180,504.31/249,099.48 = 99,929.56/x
  3. Step 3: Cross multiply
    180,504.31x = 249,099.48 × 99,929.56
  4. Step 4: Simplify right side
    180,504.31x = 24,892,401,432.63
  5. Step 5: Solve for x
    x = 24,892,401,432.63/180,504.31
  6. Step 6: Final answer
    x = 137,904.75

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1.5x scale

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.