Home / 249,219.62-343,911.12-141,779.60

Finding the Fourth Proportional to 249,219.62, 343,911.12 and 141,779.60

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Solution

The fourth proportional to 249,219.62, 343,911.12 and 141,779.60 is: 195,649.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,219.62 : 343,911.12 = 141,779.60 : x
  2. Step 2: Convert to fraction form
    249,219.62/343,911.12 = 141,779.60/x
  3. Step 3: Cross multiply
    249,219.62x = 343,911.12 × 141,779.60
  4. Step 4: Simplify right side
    249,219.62x = 48,759,581,029.15
  5. Step 5: Solve for x
    x = 48,759,581,029.15/249,219.62
  6. Step 6: Final answer
    x = 195,649.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.