Home / 147,034.04-202,841.90-90,411.96

Finding the Fourth Proportional to 147,034.04, 202,841.90 and 90,411.96

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Solution

The fourth proportional to 147,034.04, 202,841.90 and 90,411.96 is: 124,728.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,034.04 : 202,841.90 = 90,411.96 : x
  2. Step 2: Convert to fraction form
    147,034.04/202,841.90 = 90,411.96/x
  3. Step 3: Cross multiply
    147,034.04x = 202,841.90 × 90,411.96
  4. Step 4: Simplify right side
    147,034.04x = 18,339,333,749.12
  5. Step 5: Solve for x
    x = 18,339,333,749.12/147,034.04
  6. Step 6: Final answer
    x = 124,728.49

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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.