Home / 180,533.49-249,116.10-99,940.83

Finding the Fourth Proportional to 180,533.49, 249,116.10 and 99,940.83

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Solution

The fourth proportional to 180,533.49, 249,116.10 and 99,940.83 is: 137,907.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,533.49 : 249,116.10 = 99,940.83 : x
  2. Step 2: Convert to fraction form
    180,533.49/249,116.10 = 99,940.83/x
  3. Step 3: Cross multiply
    180,533.49x = 249,116.10 × 99,940.83
  4. Step 4: Simplify right side
    180,533.49x = 24,896,869,800.36
  5. Step 5: Solve for x
    x = 24,896,869,800.36/180,533.49
  6. Step 6: Final answer
    x = 137,907.21

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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.