Home / 180,977.17-249,755.16-109,343.34

Finding the Fourth Proportional to 180,977.17, 249,755.16 and 109,343.34

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Solution

The fourth proportional to 180,977.17, 249,755.16 and 109,343.34 is: 150,897.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,977.17 : 249,755.16 = 109,343.34 : x
  2. Step 2: Convert to fraction form
    180,977.17/249,755.16 = 109,343.34/x
  3. Step 3: Cross multiply
    180,977.17x = 249,755.16 × 109,343.34
  4. Step 4: Simplify right side
    180,977.17x = 27,309,063,376.63
  5. Step 5: Solve for x
    x = 27,309,063,376.63/180,977.17
  6. Step 6: Final answer
    x = 150,897.84

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1.5x scale

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.