Home / 134,681.29-185,860.65-74,250.61

Finding the Fourth Proportional to 134,681.29, 185,860.65 and 74,250.61

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Solution

The fourth proportional to 134,681.29, 185,860.65 and 74,250.61 is: 102,466.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,681.29 : 185,860.65 = 74,250.61 : x
  2. Step 2: Convert to fraction form
    134,681.29/185,860.65 = 74,250.61/x
  3. Step 3: Cross multiply
    134,681.29x = 185,860.65 × 74,250.61
  4. Step 4: Simplify right side
    134,681.29x = 13,800,266,637.50
  5. Step 5: Solve for x
    x = 13,800,266,637.50/134,681.29
  6. Step 6: Final answer
    x = 102,466.10

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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.