Home / 134,587.04-201,690.17-74,641.91

Finding the Fourth Proportional to 134,587.04, 201,690.17 and 74,641.91

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Solution

The fourth proportional to 134,587.04, 201,690.17 and 74,641.91 is: 111,857.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,587.04 : 201,690.17 = 74,641.91 : x
  2. Step 2: Convert to fraction form
    134,587.04/201,690.17 = 74,641.91/x
  3. Step 3: Cross multiply
    134,587.04x = 201,690.17 × 74,641.91
  4. Step 4: Simplify right side
    134,587.04x = 15,054,539,143.82
  5. Step 5: Solve for x
    x = 15,054,539,143.82/134,587.04
  6. Step 6: Final answer
    x = 111,857.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.