Home / 135,184.74-186,547.39-74,751.76

Finding the Fourth Proportional to 135,184.74, 186,547.39 and 74,751.76

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Solution

The fourth proportional to 135,184.74, 186,547.39 and 74,751.76 is: 103,153.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,184.74 : 186,547.39 = 74,751.76 : x
  2. Step 2: Convert to fraction form
    135,184.74/186,547.39 = 74,751.76/x
  3. Step 3: Cross multiply
    135,184.74x = 186,547.39 × 74,751.76
  4. Step 4: Simplify right side
    135,184.74x = 13,944,745,725.91
  5. Step 5: Solve for x
    x = 13,944,745,725.91/135,184.74
  6. Step 6: Final answer
    x = 103,153.25

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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.