Home / 114,132.60-157,178.70-111,690.36

Finding the Fourth Proportional to 114,132.60, 157,178.70 and 111,690.36

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Solution

The fourth proportional to 114,132.60, 157,178.70 and 111,690.36 is: 153,815.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,132.60 : 157,178.70 = 111,690.36 : x
  2. Step 2: Convert to fraction form
    114,132.60/157,178.70 = 111,690.36/x
  3. Step 3: Cross multiply
    114,132.60x = 157,178.70 × 111,690.36
  4. Step 4: Simplify right side
    114,132.60x = 17,555,345,587.33
  5. Step 5: Solve for x
    x = 17,555,345,587.33/114,132.60
  6. Step 6: Final answer
    x = 153,815.35

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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.