Home / 134,695.11-185,890.32-74,277.60

Finding the Fourth Proportional to 134,695.11, 185,890.32 and 74,277.60

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Solution

The fourth proportional to 134,695.11, 185,890.32 and 74,277.60 is: 102,509.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,695.11 : 185,890.32 = 74,277.60 : x
  2. Step 2: Convert to fraction form
    134,695.11/185,890.32 = 74,277.60/x
  3. Step 3: Cross multiply
    134,695.11x = 185,890.32 × 74,277.60
  4. Step 4: Simplify right side
    134,695.11x = 13,807,486,832.83
  5. Step 5: Solve for x
    x = 13,807,486,832.83/134,695.11
  6. Step 6: Final answer
    x = 102,509.19

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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.