Home / 180,754.54-249,437.41-100,181.34

Finding the Fourth Proportional to 180,754.54, 249,437.41 and 100,181.34

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Solution

The fourth proportional to 180,754.54, 249,437.41 and 100,181.34 is: 138,248.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,754.54 : 249,437.41 = 100,181.34 : x
  2. Step 2: Convert to fraction form
    180,754.54/249,437.41 = 100,181.34/x
  3. Step 3: Cross multiply
    180,754.54x = 249,437.41 × 100,181.34
  4. Step 4: Simplify right side
    180,754.54x = 24,988,973,729.48
  5. Step 5: Solve for x
    x = 24,988,973,729.48/180,754.54
  6. Step 6: Final answer
    x = 138,248.11

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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.