Home / 180,700.53-249,367.19-100,127.40

Finding the Fourth Proportional to 180,700.53, 249,367.19 and 100,127.40

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Solution

The fourth proportional to 180,700.53, 249,367.19 and 100,127.40 is: 138,176.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,700.53 : 249,367.19 = 100,127.40 : x
  2. Step 2: Convert to fraction form
    180,700.53/249,367.19 = 100,127.40/x
  3. Step 3: Cross multiply
    180,700.53x = 249,367.19 × 100,127.40
  4. Step 4: Simplify right side
    180,700.53x = 24,968,487,879.37
  5. Step 5: Solve for x
    x = 24,968,487,879.37/180,700.53
  6. Step 6: Final answer
    x = 138,176.06

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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.