Home / 134,813.46-186,043.24-74,384.14

Finding the Fourth Proportional to 134,813.46, 186,043.24 and 74,384.14

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Solution

The fourth proportional to 134,813.46, 186,043.24 and 74,384.14 is: 102,650.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,813.46 : 186,043.24 = 74,384.14 : x
  2. Step 2: Convert to fraction form
    134,813.46/186,043.24 = 74,384.14/x
  3. Step 3: Cross multiply
    134,813.46x = 186,043.24 × 74,384.14
  4. Step 4: Simplify right side
    134,813.46x = 13,838,666,038.29
  5. Step 5: Solve for x
    x = 13,838,666,038.29/134,813.46
  6. Step 6: Final answer
    x = 102,650.48

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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.