Home / 163,155.28-225,224.94-152,941.72

Finding the Fourth Proportional to 163,155.28, 225,224.94 and 152,941.72

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Solution

The fourth proportional to 163,155.28, 225,224.94 and 152,941.72 is: 211,125.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,155.28 : 225,224.94 = 152,941.72 : x
  2. Step 2: Convert to fraction form
    163,155.28/225,224.94 = 152,941.72/x
  3. Step 3: Cross multiply
    163,155.28x = 225,224.94 × 152,941.72
  4. Step 4: Simplify right side
    163,155.28x = 34,446,289,710.50
  5. Step 5: Solve for x
    x = 34,446,289,710.50/163,155.28
  6. Step 6: Final answer
    x = 211,125.80

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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.