Home / 335,068.42-502,601.61-135,386.45

Finding the Fourth Proportional to 335,068.42, 502,601.61 and 135,386.45

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Solution

The fourth proportional to 335,068.42, 502,601.61 and 135,386.45 is: 203,079.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,068.42 : 502,601.61 = 135,386.45 : x
  2. Step 2: Convert to fraction form
    335,068.42/502,601.61 = 135,386.45/x
  3. Step 3: Cross multiply
    335,068.42x = 502,601.61 × 135,386.45
  4. Step 4: Simplify right side
    335,068.42x = 68,045,447,742.18
  5. Step 5: Solve for x
    x = 68,045,447,742.18/335,068.42
  6. Step 6: Final answer
    x = 203,079.26

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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.