Home / 192,710.19-265,875.48-112,120.46

Finding the Fourth Proportional to 192,710.19, 265,875.48 and 112,120.46

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Solution

The fourth proportional to 192,710.19, 265,875.48 and 112,120.46 is: 154,688.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,710.19 : 265,875.48 = 112,120.46 : x
  2. Step 2: Convert to fraction form
    192,710.19/265,875.48 = 112,120.46/x
  3. Step 3: Cross multiply
    192,710.19x = 265,875.48 × 112,120.46
  4. Step 4: Simplify right side
    192,710.19x = 29,810,081,120.32
  5. Step 5: Solve for x
    x = 29,810,081,120.32/192,710.19
  6. Step 6: Final answer
    x = 154,688.66

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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.