Home / 180,615.14-249,247.46-100,047.68

Finding the Fourth Proportional to 180,615.14, 249,247.46 and 100,047.68

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Solution

The fourth proportional to 180,615.14, 249,247.46 and 100,047.68 is: 138,065.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,615.14 : 249,247.46 = 100,047.68 : x
  2. Step 2: Convert to fraction form
    180,615.14/249,247.46 = 100,047.68/x
  3. Step 3: Cross multiply
    180,615.14x = 249,247.46 × 100,047.68
  4. Step 4: Simplify right side
    180,615.14x = 24,936,630,118.89
  5. Step 5: Solve for x
    x = 24,936,630,118.89/180,615.14
  6. Step 6: Final answer
    x = 138,065.00

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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.