Home / 180,541.23-249,149.52-99,968.60

Finding the Fourth Proportional to 180,541.23, 249,149.52 and 99,968.60

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Solution

The fourth proportional to 180,541.23, 249,149.52 and 99,968.60 is: 137,958.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,541.23 : 249,149.52 = 99,968.60 : x
  2. Step 2: Convert to fraction form
    180,541.23/249,149.52 = 99,968.60/x
  3. Step 3: Cross multiply
    180,541.23x = 249,149.52 × 99,968.60
  4. Step 4: Simplify right side
    180,541.23x = 24,907,128,705.07
  5. Step 5: Solve for x
    x = 24,907,128,705.07/180,541.23
  6. Step 6: Final answer
    x = 137,958.12

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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.