Home / 249,140.10-373,649.40-71,628.60

Finding the Fourth Proportional to 249,140.10, 373,649.40 and 71,628.60

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Solution

The fourth proportional to 249,140.10, 373,649.40 and 71,628.60 is: 107,425.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,140.10 : 373,649.40 = 71,628.60 : x
  2. Step 2: Convert to fraction form
    249,140.10/373,649.40 = 71,628.60/x
  3. Step 3: Cross multiply
    249,140.10x = 373,649.40 × 71,628.60
  4. Step 4: Simplify right side
    249,140.10x = 26,763,983,412.84
  5. Step 5: Solve for x
    x = 26,763,983,412.84/249,140.10
  6. Step 6: Final answer
    x = 107,425.43

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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.