Home / 180,485.37-249,072.75-98,812.24

Finding the Fourth Proportional to 180,485.37, 249,072.75 and 98,812.24

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Solution

The fourth proportional to 180,485.37, 249,072.75 and 98,812.24 is: 136,362.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,485.37 : 249,072.75 = 98,812.24 : x
  2. Step 2: Convert to fraction form
    180,485.37/249,072.75 = 98,812.24/x
  3. Step 3: Cross multiply
    180,485.37x = 249,072.75 × 98,812.24
  4. Step 4: Simplify right side
    180,485.37x = 24,611,436,758.27
  5. Step 5: Solve for x
    x = 24,611,436,758.27/180,485.37
  6. Step 6: Final answer
    x = 136,362.50

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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.