Home / 134,278.10-185,300.07-73,848.72

Finding the Fourth Proportional to 134,278.10, 185,300.07 and 73,848.72

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Solution

The fourth proportional to 134,278.10, 185,300.07 and 73,848.72 is: 101,909.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,278.10 : 185,300.07 = 73,848.72 : x
  2. Step 2: Convert to fraction form
    134,278.10/185,300.07 = 73,848.72/x
  3. Step 3: Cross multiply
    134,278.10x = 185,300.07 × 73,848.72
  4. Step 4: Simplify right side
    134,278.10x = 13,684,172,985.41
  5. Step 5: Solve for x
    x = 13,684,172,985.41/134,278.10
  6. Step 6: Final answer
    x = 101,909.20

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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.