Home / 106,966.36-160,437.66-28,089.64

Finding the Fourth Proportional to 106,966.36, 160,437.66 and 28,089.64

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Solution

The fourth proportional to 106,966.36, 160,437.66 and 28,089.64 is: 42,131.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,966.36 : 160,437.66 = 28,089.64 : x
  2. Step 2: Convert to fraction form
    106,966.36/160,437.66 = 28,089.64/x
  3. Step 3: Cross multiply
    106,966.36x = 160,437.66 × 28,089.64
  4. Step 4: Simplify right side
    106,966.36x = 4,506,636,111.84
  5. Step 5: Solve for x
    x = 4,506,636,111.84/106,966.36
  6. Step 6: Final answer
    x = 42,131.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.