Home / 124,797.28-172,300.70-111,345.21

Finding the Fourth Proportional to 124,797.28, 172,300.70 and 111,345.21

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Solution

The fourth proportional to 124,797.28, 172,300.70 and 111,345.21 is: 153,728.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,797.28 : 172,300.70 = 111,345.21 : x
  2. Step 2: Convert to fraction form
    124,797.28/172,300.70 = 111,345.21/x
  3. Step 3: Cross multiply
    124,797.28x = 172,300.70 × 111,345.21
  4. Step 4: Simplify right side
    124,797.28x = 19,184,857,624.65
  5. Step 5: Solve for x
    x = 19,184,857,624.65/124,797.28
  6. Step 6: Final answer
    x = 153,728.17

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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.