Home / 284,329.33-392,369.22-157,002.19

Finding the Fourth Proportional to 284,329.33, 392,369.22 and 157,002.19

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Solution

The fourth proportional to 284,329.33, 392,369.22 and 157,002.19 is: 216,660.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,329.33 : 392,369.22 = 157,002.19 : x
  2. Step 2: Convert to fraction form
    284,329.33/392,369.22 = 157,002.19/x
  3. Step 3: Cross multiply
    284,329.33x = 392,369.22 × 157,002.19
  4. Step 4: Simplify right side
    284,329.33x = 61,602,825,847.67
  5. Step 5: Solve for x
    x = 61,602,825,847.67/284,329.33
  6. Step 6: Final answer
    x = 216,660.12

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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.