Home / 134,547.46-185,690.08-74,124.30

Finding the Fourth Proportional to 134,547.46, 185,690.08 and 74,124.30

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Solution

The fourth proportional to 134,547.46, 185,690.08 and 74,124.30 is: 102,299.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,547.46 : 185,690.08 = 74,124.30 : x
  2. Step 2: Convert to fraction form
    134,547.46/185,690.08 = 74,124.30/x
  3. Step 3: Cross multiply
    134,547.46x = 185,690.08 × 74,124.30
  4. Step 4: Simplify right side
    134,547.46x = 13,764,147,196.94
  5. Step 5: Solve for x
    x = 13,764,147,196.94/134,547.46
  6. Step 6: Final answer
    x = 102,299.57

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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.