Home / 124,793.28-172,295.18-111,341.21

Finding the Fourth Proportional to 124,793.28, 172,295.18 and 111,341.21

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Solution

The fourth proportional to 124,793.28, 172,295.18 and 111,341.21 is: 153,722.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,793.28 : 172,295.18 = 111,341.21 : x
  2. Step 2: Convert to fraction form
    124,793.28/172,295.18 = 111,341.21/x
  3. Step 3: Cross multiply
    124,793.28x = 172,295.18 × 111,341.21
  4. Step 4: Simplify right side
    124,793.28x = 19,183,552,400.19
  5. Step 5: Solve for x
    x = 19,183,552,400.19/124,793.28
  6. Step 6: Final answer
    x = 153,722.64

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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.