Home / 123,261.40-184,632.90-102,525.40

Finding the Fourth Proportional to 123,261.40, 184,632.90 and 102,525.40

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Solution

The fourth proportional to 123,261.40, 184,632.90 and 102,525.40 is: 153,572.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,261.40 : 184,632.90 = 102,525.40 : x
  2. Step 2: Convert to fraction form
    123,261.40/184,632.90 = 102,525.40/x
  3. Step 3: Cross multiply
    123,261.40x = 184,632.90 × 102,525.40
  4. Step 4: Simplify right side
    123,261.40x = 18,929,561,925.66
  5. Step 5: Solve for x
    x = 18,929,561,925.66/123,261.40
  6. Step 6: Final answer
    x = 153,572.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.