Home / 249,623.80-374,435.70-72,136.60

Finding the Fourth Proportional to 249,623.80, 374,435.70 and 72,136.60

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Solution

The fourth proportional to 249,623.80, 374,435.70 and 72,136.60 is: 108,204.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,623.80 : 374,435.70 = 72,136.60 : x
  2. Step 2: Convert to fraction form
    249,623.80/374,435.70 = 72,136.60/x
  3. Step 3: Cross multiply
    249,623.80x = 374,435.70 × 72,136.60
  4. Step 4: Simplify right side
    249,623.80x = 27,010,518,316.62
  5. Step 5: Solve for x
    x = 27,010,518,316.62/249,623.80
  6. Step 6: Final answer
    x = 108,204.90

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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.