Home / 116,240.16-160,370.16-75,977.18

Finding the Fourth Proportional to 116,240.16, 160,370.16 and 75,977.18

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Solution

The fourth proportional to 116,240.16, 160,370.16 and 75,977.18 is: 104,821.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,240.16 : 160,370.16 = 75,977.18 : x
  2. Step 2: Convert to fraction form
    116,240.16/160,370.16 = 75,977.18/x
  3. Step 3: Cross multiply
    116,240.16x = 160,370.16 × 75,977.18
  4. Step 4: Simplify right side
    116,240.16x = 12,184,471,711.10
  5. Step 5: Solve for x
    x = 12,184,471,711.10/116,240.16
  6. Step 6: Final answer
    x = 104,821.53

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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.