Home / 112,260.59-154,919.61-76,513.05

Finding the Fourth Proportional to 112,260.59, 154,919.61 and 76,513.05

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Solution

The fourth proportional to 112,260.59, 154,919.61 and 76,513.05 is: 105,588.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,260.59 : 154,919.61 = 76,513.05 : x
  2. Step 2: Convert to fraction form
    112,260.59/154,919.61 = 76,513.05/x
  3. Step 3: Cross multiply
    112,260.59x = 154,919.61 × 76,513.05
  4. Step 4: Simplify right side
    112,260.59x = 11,853,371,430.20
  5. Step 5: Solve for x
    x = 11,853,371,430.20/112,260.59
  6. Step 6: Final answer
    x = 105,588.01

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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.