Home / 147,256.60-203,215.08-83,595.48

Finding the Fourth Proportional to 147,256.60, 203,215.08 and 83,595.48

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Solution

The fourth proportional to 147,256.60, 203,215.08 and 83,595.48 is: 115,362.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,256.60 : 203,215.08 = 83,595.48 : x
  2. Step 2: Convert to fraction form
    147,256.60/203,215.08 = 83,595.48/x
  3. Step 3: Cross multiply
    147,256.60x = 203,215.08 × 83,595.48
  4. Step 4: Simplify right side
    147,256.60x = 16,987,862,155.84
  5. Step 5: Solve for x
    x = 16,987,862,155.84/147,256.60
  6. Step 6: Final answer
    x = 115,362.31

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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.