Home / 146,520.19-202,223.75-86,090.81

Finding the Fourth Proportional to 146,520.19, 202,223.75 and 86,090.81

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Solution

The fourth proportional to 146,520.19, 202,223.75 and 86,090.81 is: 118,820.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,520.19 : 202,223.75 = 86,090.81 : x
  2. Step 2: Convert to fraction form
    146,520.19/202,223.75 = 86,090.81/x
  3. Step 3: Cross multiply
    146,520.19x = 202,223.75 × 86,090.81
  4. Step 4: Simplify right side
    146,520.19x = 17,409,606,438.74
  5. Step 5: Solve for x
    x = 17,409,606,438.74/146,520.19
  6. Step 6: Final answer
    x = 118,820.53

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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.