Home / 249,680.63-374,443.18-83,429.75

Finding the Fourth Proportional to 249,680.63, 374,443.18 and 83,429.75

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Solution

The fourth proportional to 249,680.63, 374,443.18 and 83,429.75 is: 125,118.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,680.63 : 374,443.18 = 83,429.75 : x
  2. Step 2: Convert to fraction form
    249,680.63/374,443.18 = 83,429.75/x
  3. Step 3: Cross multiply
    249,680.63x = 374,443.18 × 83,429.75
  4. Step 4: Simplify right side
    249,680.63x = 31,239,700,896.61
  5. Step 5: Solve for x
    x = 31,239,700,896.61/249,680.63
  6. Step 6: Final answer
    x = 125,118.64

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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.