Home / 115,660.94-172,437.77-112,752.23

Finding the Fourth Proportional to 115,660.94, 172,437.77 and 112,752.23

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Solution

The fourth proportional to 115,660.94, 172,437.77 and 112,752.23 is: 168,101.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,660.94 : 172,437.77 = 112,752.23 : x
  2. Step 2: Convert to fraction form
    115,660.94/172,437.77 = 112,752.23/x
  3. Step 3: Cross multiply
    115,660.94x = 172,437.77 × 112,752.23
  4. Step 4: Simplify right side
    115,660.94x = 19,442,742,523.42
  5. Step 5: Solve for x
    x = 19,442,742,523.42/115,660.94
  6. Step 6: Final answer
    x = 168,101.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.