Home / 170,606.48-235,483.80-99,009.56

Finding the Fourth Proportional to 170,606.48, 235,483.80 and 99,009.56

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Solution

The fourth proportional to 170,606.48, 235,483.80 and 99,009.56 is: 136,660.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,606.48 : 235,483.80 = 99,009.56 : x
  2. Step 2: Convert to fraction form
    170,606.48/235,483.80 = 99,009.56/x
  3. Step 3: Cross multiply
    170,606.48x = 235,483.80 × 99,009.56
  4. Step 4: Simplify right side
    170,606.48x = 23,315,147,425.13
  5. Step 5: Solve for x
    x = 23,315,147,425.13/170,606.48
  6. Step 6: Final answer
    x = 136,660.39

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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.