Home / 180,736.32-249,415.80-99,064.52

Finding the Fourth Proportional to 180,736.32, 249,415.80 and 99,064.52

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Solution

The fourth proportional to 180,736.32, 249,415.80 and 99,064.52 is: 136,708.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,736.32 : 249,415.80 = 99,064.52 : x
  2. Step 2: Convert to fraction form
    180,736.32/249,415.80 = 99,064.52/x
  3. Step 3: Cross multiply
    180,736.32x = 249,415.80 × 99,064.52
  4. Step 4: Simplify right side
    180,736.32x = 24,708,256,507.42
  5. Step 5: Solve for x
    x = 24,708,256,507.42/180,736.32
  6. Step 6: Final answer
    x = 136,708.86

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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.