Home / 189,510.81-261,524.19-104,627.25

Finding the Fourth Proportional to 189,510.81, 261,524.19 and 104,627.25

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Solution

The fourth proportional to 189,510.81, 261,524.19 and 104,627.25 is: 144,385.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,510.81 : 261,524.19 = 104,627.25 : x
  2. Step 2: Convert to fraction form
    189,510.81/261,524.19 = 104,627.25/x
  3. Step 3: Cross multiply
    189,510.81x = 261,524.19 × 104,627.25
  4. Step 4: Simplify right side
    189,510.81x = 27,362,556,808.18
  5. Step 5: Solve for x
    x = 27,362,556,808.18/189,510.81
  6. Step 6: Final answer
    x = 144,385.20

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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.