Home / 180,669.41-249,303.63-100,076.96

Finding the Fourth Proportional to 180,669.41, 249,303.63 and 100,076.96

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Solution

The fourth proportional to 180,669.41, 249,303.63 and 100,076.96 is: 138,095.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,669.41 : 249,303.63 = 100,076.96 : x
  2. Step 2: Convert to fraction form
    180,669.41/249,303.63 = 100,076.96/x
  3. Step 3: Cross multiply
    180,669.41x = 249,303.63 × 100,076.96
  4. Step 4: Simplify right side
    180,669.41x = 24,949,549,407.36
  5. Step 5: Solve for x
    x = 24,949,549,407.36/180,669.41
  6. Step 6: Final answer
    x = 138,095.04

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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.