Home / 249,665.35-374,500.76-72,173.90

Finding the Fourth Proportional to 249,665.35, 374,500.76 and 72,173.90

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Solution

The fourth proportional to 249,665.35, 374,500.76 and 72,173.90 is: 108,261.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,665.35 : 374,500.76 = 72,173.90 : x
  2. Step 2: Convert to fraction form
    249,665.35/374,500.76 = 72,173.90/x
  3. Step 3: Cross multiply
    249,665.35x = 374,500.76 × 72,173.90
  4. Step 4: Simplify right side
    249,665.35x = 27,029,180,402.16
  5. Step 5: Solve for x
    x = 27,029,180,402.16/249,665.35
  6. Step 6: Final answer
    x = 108,261.64

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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.