Home / 180,533.50-249,116.11-99,940.84

Finding the Fourth Proportional to 180,533.50, 249,116.11 and 99,940.84

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Solution

The fourth proportional to 180,533.50, 249,116.11 and 99,940.84 is: 137,907.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,533.50 : 249,116.11 = 99,940.84 : x
  2. Step 2: Convert to fraction form
    180,533.50/249,116.11 = 99,940.84/x
  3. Step 3: Cross multiply
    180,533.50x = 249,116.11 × 99,940.84
  4. Step 4: Simplify right side
    180,533.50x = 24,896,872,418.29
  5. Step 5: Solve for x
    x = 24,896,872,418.29/180,533.50
  6. Step 6: Final answer
    x = 137,907.22

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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.