Home / 284,300.25-392,324.07-156,973.11

Finding the Fourth Proportional to 284,300.25, 392,324.07 and 156,973.11

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Solution

The fourth proportional to 284,300.25, 392,324.07 and 156,973.11 is: 216,617.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,300.25 : 392,324.07 = 156,973.11 : x
  2. Step 2: Convert to fraction form
    284,300.25/392,324.07 = 156,973.11/x
  3. Step 3: Cross multiply
    284,300.25x = 392,324.07 × 156,973.11
  4. Step 4: Simplify right side
    284,300.25x = 61,584,329,395.76
  5. Step 5: Solve for x
    x = 61,584,329,395.76/284,300.25
  6. Step 6: Final answer
    x = 216,617.22

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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.