Home / 112,741.10-155,267.79-110,291.66

Finding the Fourth Proportional to 112,741.10, 155,267.79 and 110,291.66

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Solution

The fourth proportional to 112,741.10, 155,267.79 and 110,291.66 is: 151,894.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,741.10 : 155,267.79 = 110,291.66 : x
  2. Step 2: Convert to fraction form
    112,741.10/155,267.79 = 110,291.66/x
  3. Step 3: Cross multiply
    112,741.10x = 155,267.79 × 110,291.66
  4. Step 4: Simplify right side
    112,741.10x = 17,124,742,303.63
  5. Step 5: Solve for x
    x = 17,124,742,303.63/112,741.10
  6. Step 6: Final answer
    x = 151,894.41

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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.