Home / 134,328.69-185,268.64-83,312.82

Finding the Fourth Proportional to 134,328.69, 185,268.64 and 83,312.82

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Solution

The fourth proportional to 134,328.69, 185,268.64 and 83,312.82 is: 114,906.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,328.69 : 185,268.64 = 83,312.82 : x
  2. Step 2: Convert to fraction form
    134,328.69/185,268.64 = 83,312.82/x
  3. Step 3: Cross multiply
    134,328.69x = 185,268.64 × 83,312.82
  4. Step 4: Simplify right side
    134,328.69x = 15,435,252,855.96
  5. Step 5: Solve for x
    x = 15,435,252,855.96/134,328.69
  6. Step 6: Final answer
    x = 114,906.60

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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.