Home / 180,726.35-249,403.01-100,155.24

Finding the Fourth Proportional to 180,726.35, 249,403.01 and 100,155.24

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Solution

The fourth proportional to 180,726.35, 249,403.01 and 100,155.24 is: 138,214.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,726.35 : 249,403.01 = 100,155.24 : x
  2. Step 2: Convert to fraction form
    180,726.35/249,403.01 = 100,155.24/x
  3. Step 3: Cross multiply
    180,726.35x = 249,403.01 × 100,155.24
  4. Step 4: Simplify right side
    180,726.35x = 24,979,017,822.50
  5. Step 5: Solve for x
    x = 24,979,017,822.50/180,726.35
  6. Step 6: Final answer
    x = 138,214.59

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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.