Home / 113,763.24-157,036.32-85,550.40

Finding the Fourth Proportional to 113,763.24, 157,036.32 and 85,550.40

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Solution

The fourth proportional to 113,763.24, 157,036.32 and 85,550.40 is: 118,091.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,763.24 : 157,036.32 = 85,550.40 : x
  2. Step 2: Convert to fraction form
    113,763.24/157,036.32 = 85,550.40/x
  3. Step 3: Cross multiply
    113,763.24x = 157,036.32 × 85,550.40
  4. Step 4: Simplify right side
    113,763.24x = 13,434,519,990.53
  5. Step 5: Solve for x
    x = 13,434,519,990.53/113,763.24
  6. Step 6: Final answer
    x = 118,091.92

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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.