Home / 180,686.22-249,326.55-100,093.38

Finding the Fourth Proportional to 180,686.22, 249,326.55 and 100,093.38

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Solution

The fourth proportional to 180,686.22, 249,326.55 and 100,093.38 is: 138,117.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,686.22 : 249,326.55 = 100,093.38 : x
  2. Step 2: Convert to fraction form
    180,686.22/249,326.55 = 100,093.38/x
  3. Step 3: Cross multiply
    180,686.22x = 249,326.55 × 100,093.38
  4. Step 4: Simplify right side
    180,686.22x = 24,955,937,113.24
  5. Step 5: Solve for x
    x = 24,955,937,113.24/180,686.22
  6. Step 6: Final answer
    x = 138,117.54

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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.