Home / 104,945.60-157,418.40-89,199.20

Finding the Fourth Proportional to 104,945.60, 157,418.40 and 89,199.20

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Solution

The fourth proportional to 104,945.60, 157,418.40 and 89,199.20 is: 133,798.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,945.60 : 157,418.40 = 89,199.20 : x
  2. Step 2: Convert to fraction form
    104,945.60/157,418.40 = 89,199.20/x
  3. Step 3: Cross multiply
    104,945.60x = 157,418.40 × 89,199.20
  4. Step 4: Simplify right side
    104,945.60x = 14,041,595,345.28
  5. Step 5: Solve for x
    x = 14,041,595,345.28/104,945.60
  6. Step 6: Final answer
    x = 133,798.80

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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.