Home / 180,614.18-249,261.64-100,049.36

Finding the Fourth Proportional to 180,614.18, 249,261.64 and 100,049.36

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Solution

The fourth proportional to 180,614.18, 249,261.64 and 100,049.36 is: 138,075.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,614.18 : 249,261.64 = 100,049.36 : x
  2. Step 2: Convert to fraction form
    180,614.18/249,261.64 = 100,049.36/x
  3. Step 3: Cross multiply
    180,614.18x = 249,261.64 × 100,049.36
  4. Step 4: Simplify right side
    180,614.18x = 24,938,467,554.55
  5. Step 5: Solve for x
    x = 24,938,467,554.55/180,614.18
  6. Step 6: Final answer
    x = 138,075.91

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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.