Home / 147,411.92-203,430.60-83,751.44

Finding the Fourth Proportional to 147,411.92, 203,430.60 and 83,751.44

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Solution

The fourth proportional to 147,411.92, 203,430.60 and 83,751.44 is: 115,578.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,411.92 : 203,430.60 = 83,751.44 : x
  2. Step 2: Convert to fraction form
    147,411.92/203,430.60 = 83,751.44/x
  3. Step 3: Cross multiply
    147,411.92x = 203,430.60 × 83,751.44
  4. Step 4: Simplify right side
    147,411.92x = 17,037,605,690.06
  5. Step 5: Solve for x
    x = 17,037,605,690.06/147,411.92
  6. Step 6: Final answer
    x = 115,578.21

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1.5x scale

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.