Home / 180,576.08-249,184.32-99,999.08

Finding the Fourth Proportional to 180,576.08, 249,184.32 and 99,999.08

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Solution

The fourth proportional to 180,576.08, 249,184.32 and 99,999.08 is: 137,992.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,576.08 : 249,184.32 = 99,999.08 : x
  2. Step 2: Convert to fraction form
    180,576.08/249,184.32 = 99,999.08/x
  3. Step 3: Cross multiply
    180,576.08x = 249,184.32 × 99,999.08
  4. Step 4: Simplify right side
    180,576.08x = 24,918,202,750.43
  5. Step 5: Solve for x
    x = 24,918,202,750.43/180,576.08
  6. Step 6: Final answer
    x = 137,992.82

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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.