Home / 249,993.60-375,029.28-83,742.72

Finding the Fourth Proportional to 249,993.60, 375,029.28 and 83,742.72

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Solution

The fourth proportional to 249,993.60, 375,029.28 and 83,742.72 is: 125,627.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,993.60 : 375,029.28 = 83,742.72 : x
  2. Step 2: Convert to fraction form
    249,993.60/375,029.28 = 83,742.72/x
  3. Step 3: Cross multiply
    249,993.60x = 375,029.28 × 83,742.72
  4. Step 4: Simplify right side
    249,993.60x = 31,405,971,986.84
  5. Step 5: Solve for x
    x = 31,405,971,986.84/249,993.60
  6. Step 6: Final answer
    x = 125,627.10

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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.