Home / 134,300.76-185,398.43-85,267.01

Finding the Fourth Proportional to 134,300.76, 185,398.43 and 85,267.01

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Solution

The fourth proportional to 134,300.76, 185,398.43 and 85,267.01 is: 117,708.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,300.76 : 185,398.43 = 85,267.01 : x
  2. Step 2: Convert to fraction form
    134,300.76/185,398.43 = 85,267.01/x
  3. Step 3: Cross multiply
    134,300.76x = 185,398.43 × 85,267.01
  4. Step 4: Simplify right side
    134,300.76x = 15,808,369,784.79
  5. Step 5: Solve for x
    x = 15,808,369,784.79/134,300.76
  6. Step 6: Final answer
    x = 117,708.71

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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.