Home / 249,134.40-373,291.20-143,769.60

Finding the Fourth Proportional to 249,134.40, 373,291.20 and 143,769.60

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Solution

The fourth proportional to 249,134.40, 373,291.20 and 143,769.60 is: 215,417.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,134.40 : 373,291.20 = 143,769.60 : x
  2. Step 2: Convert to fraction form
    249,134.40/373,291.20 = 143,769.60/x
  3. Step 3: Cross multiply
    249,134.40x = 373,291.20 × 143,769.60
  4. Step 4: Simplify right side
    249,134.40x = 53,667,926,507.52
  5. Step 5: Solve for x
    x = 53,667,926,507.52/249,134.40
  6. Step 6: Final answer
    x = 215,417.57

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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.