Home / 134,817.03-186,047.01-74,391.48

Finding the Fourth Proportional to 134,817.03, 186,047.01 and 74,391.48

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Solution

The fourth proportional to 134,817.03, 186,047.01 and 74,391.48 is: 102,659.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,817.03 : 186,047.01 = 74,391.48 : x
  2. Step 2: Convert to fraction form
    134,817.03/186,047.01 = 74,391.48/x
  3. Step 3: Cross multiply
    134,817.03x = 186,047.01 × 74,391.48
  4. Step 4: Simplify right side
    134,817.03x = 13,840,312,423.47
  5. Step 5: Solve for x
    x = 13,840,312,423.47/134,817.03
  6. Step 6: Final answer
    x = 102,659.97

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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.