Home / 189,335.61-261,283.13-104,452.67

Finding the Fourth Proportional to 189,335.61, 261,283.13 and 104,452.67

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Solution

The fourth proportional to 189,335.61, 261,283.13 and 104,452.67 is: 144,144.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,335.61 : 261,283.13 = 104,452.67 : x
  2. Step 2: Convert to fraction form
    189,335.61/261,283.13 = 104,452.67/x
  3. Step 3: Cross multiply
    189,335.61x = 261,283.13 × 104,452.67
  4. Step 4: Simplify right side
    189,335.61x = 27,291,720,685.40
  5. Step 5: Solve for x
    x = 27,291,720,685.40/189,335.61
  6. Step 6: Final answer
    x = 144,144.68

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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.