Home / 147,054.42-202,971.15-83,429.46

Finding the Fourth Proportional to 147,054.42, 202,971.15 and 83,429.46

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Solution

The fourth proportional to 147,054.42, 202,971.15 and 83,429.46 is: 115,153.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,054.42 : 202,971.15 = 83,429.46 : x
  2. Step 2: Convert to fraction form
    147,054.42/202,971.15 = 83,429.46/x
  3. Step 3: Cross multiply
    147,054.42x = 202,971.15 × 83,429.46
  4. Step 4: Simplify right side
    147,054.42x = 16,933,773,440.08
  5. Step 5: Solve for x
    x = 16,933,773,440.08/147,054.42
  6. Step 6: Final answer
    x = 115,153.11

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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.