Home / 134,518.99-185,637.39-74,091.71

Finding the Fourth Proportional to 134,518.99, 185,637.39 and 74,091.71

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Solution

The fourth proportional to 134,518.99, 185,637.39 and 74,091.71 is: 102,247.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,518.99 : 185,637.39 = 74,091.71 : x
  2. Step 2: Convert to fraction form
    134,518.99/185,637.39 = 74,091.71/x
  3. Step 3: Cross multiply
    134,518.99x = 185,637.39 × 74,091.71
  4. Step 4: Simplify right side
    134,518.99x = 13,754,191,665.04
  5. Step 5: Solve for x
    x = 13,754,191,665.04/134,518.99
  6. Step 6: Final answer
    x = 102,247.21

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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.