Home / 153,904.40-230,856.60-136,278.80

Finding the Fourth Proportional to 153,904.40, 230,856.60 and 136,278.80

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Solution

The fourth proportional to 153,904.40, 230,856.60 and 136,278.80 is: 204,418.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,904.40 : 230,856.60 = 136,278.80 : x
  2. Step 2: Convert to fraction form
    153,904.40/230,856.60 = 136,278.80/x
  3. Step 3: Cross multiply
    153,904.40x = 230,856.60 × 136,278.80
  4. Step 4: Simplify right side
    153,904.40x = 31,460,860,420.08
  5. Step 5: Solve for x
    x = 31,460,860,420.08/153,904.40
  6. Step 6: Final answer
    x = 204,418.20

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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.