Home / 189,719.61-261,829.63-104,853.07

Finding the Fourth Proportional to 189,719.61, 261,829.63 and 104,853.07

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Solution

The fourth proportional to 189,719.61, 261,829.63 and 104,853.07 is: 144,706.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,719.61 : 261,829.63 = 104,853.07 : x
  2. Step 2: Convert to fraction form
    189,719.61/261,829.63 = 104,853.07/x
  3. Step 3: Cross multiply
    189,719.61x = 261,829.63 × 104,853.07
  4. Step 4: Simplify right side
    189,719.61x = 27,453,640,522.46
  5. Step 5: Solve for x
    x = 27,453,640,522.46/189,719.61
  6. Step 6: Final answer
    x = 144,706.39

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1.5x scale

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.