Home / 134,537.34-185,674.62-100,486.68

Finding the Fourth Proportional to 134,537.34, 185,674.62 and 100,486.68

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Solution

The fourth proportional to 134,537.34, 185,674.62 and 100,486.68 is: 138,681.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,537.34 : 185,674.62 = 100,486.68 : x
  2. Step 2: Convert to fraction form
    134,537.34/185,674.62 = 100,486.68/x
  3. Step 3: Cross multiply
    134,537.34x = 185,674.62 × 100,486.68
  4. Step 4: Simplify right side
    134,537.34x = 18,657,826,124.06
  5. Step 5: Solve for x
    x = 18,657,826,124.06/134,537.34
  6. Step 6: Final answer
    x = 138,681.40

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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.