Home / 249,695.20-374,089.20-144,200.80

Finding the Fourth Proportional to 249,695.20, 374,089.20 and 144,200.80

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Solution

The fourth proportional to 249,695.20, 374,089.20 and 144,200.80 is: 216,039.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,695.20 : 374,089.20 = 144,200.80 : x
  2. Step 2: Convert to fraction form
    249,695.20/374,089.20 = 144,200.80/x
  3. Step 3: Cross multiply
    249,695.20x = 374,089.20 × 144,200.80
  4. Step 4: Simplify right side
    249,695.20x = 53,943,961,911.36
  5. Step 5: Solve for x
    x = 53,943,961,911.36/249,695.20
  6. Step 6: Final answer
    x = 216,039.24

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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.