Home / 134,911.46-186,176.76-74,482.04

Finding the Fourth Proportional to 134,911.46, 186,176.76 and 74,482.04

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Solution

The fourth proportional to 134,911.46, 186,176.76 and 74,482.04 is: 102,784.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,911.46 : 186,176.76 = 74,482.04 : x
  2. Step 2: Convert to fraction form
    134,911.46/186,176.76 = 74,482.04/x
  3. Step 3: Cross multiply
    134,911.46x = 186,176.76 × 74,482.04
  4. Step 4: Simplify right side
    134,911.46x = 13,866,824,885.39
  5. Step 5: Solve for x
    x = 13,866,824,885.39/134,911.46
  6. Step 6: Final answer
    x = 102,784.63

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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.