Home / 146,686.59-202,420.49-90,087.03

Finding the Fourth Proportional to 146,686.59, 202,420.49 and 90,087.03

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Solution

The fourth proportional to 146,686.59, 202,420.49 and 90,087.03 is: 124,315.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,686.59 : 202,420.49 = 90,087.03 : x
  2. Step 2: Convert to fraction form
    146,686.59/202,420.49 = 90,087.03/x
  3. Step 3: Cross multiply
    146,686.59x = 202,420.49 × 90,087.03
  4. Step 4: Simplify right side
    146,686.59x = 18,235,460,980.46
  5. Step 5: Solve for x
    x = 18,235,460,980.46/146,686.59
  6. Step 6: Final answer
    x = 124,315.80

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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.