Home / 180,916.02-249,675.26-100,343.49

Finding the Fourth Proportional to 180,916.02, 249,675.26 and 100,343.49

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Solution

The fourth proportional to 180,916.02, 249,675.26 and 100,343.49 is: 138,480.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,916.02 : 249,675.26 = 100,343.49 : x
  2. Step 2: Convert to fraction form
    180,916.02/249,675.26 = 100,343.49/x
  3. Step 3: Cross multiply
    180,916.02x = 249,675.26 × 100,343.49
  4. Step 4: Simplify right side
    180,916.02x = 25,053,286,453.34
  5. Step 5: Solve for x
    x = 25,053,286,453.34/180,916.02
  6. Step 6: Final answer
    x = 138,480.20

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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.