Home / 180,666.42-249,299.48-100,073.96

Finding the Fourth Proportional to 180,666.42, 249,299.48 and 100,073.96

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Solution

The fourth proportional to 180,666.42, 249,299.48 and 100,073.96 is: 138,090.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,666.42 : 249,299.48 = 100,073.96 : x
  2. Step 2: Convert to fraction form
    180,666.42/249,299.48 = 100,073.96/x
  3. Step 3: Cross multiply
    180,666.42x = 249,299.48 × 100,073.96
  4. Step 4: Simplify right side
    180,666.42x = 24,948,386,189.54
  5. Step 5: Solve for x
    x = 24,948,386,189.54/180,666.42
  6. Step 6: Final answer
    x = 138,090.89

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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.