Home / 134,740.10-185,941.22-74,314.64

Finding the Fourth Proportional to 134,740.10, 185,941.22 and 74,314.64

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Solution

The fourth proportional to 134,740.10, 185,941.22 and 74,314.64 is: 102,554.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,740.10 : 185,941.22 = 74,314.64 : x
  2. Step 2: Convert to fraction form
    134,740.10/185,941.22 = 74,314.64/x
  3. Step 3: Cross multiply
    134,740.10x = 185,941.22 × 74,314.64
  4. Step 4: Simplify right side
    134,740.10x = 13,818,154,825.46
  5. Step 5: Solve for x
    x = 13,818,154,825.46/134,740.10
  6. Step 6: Final answer
    x = 102,554.14

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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.