Home / 138,852.77-191,473.49-118,776.11

Finding the Fourth Proportional to 138,852.77, 191,473.49 and 118,776.11

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Solution

The fourth proportional to 138,852.77, 191,473.49 and 118,776.11 is: 163,788.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,852.77 : 191,473.49 = 118,776.11 : x
  2. Step 2: Convert to fraction form
    138,852.77/191,473.49 = 118,776.11/x
  3. Step 3: Cross multiply
    138,852.77x = 191,473.49 × 118,776.11
  4. Step 4: Simplify right side
    138,852.77x = 22,742,477,085.95
  5. Step 5: Solve for x
    x = 22,742,477,085.95/138,852.77
  6. Step 6: Final answer
    x = 163,788.43

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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.