Home / 235,623.04-325,156.22-128,190.62

Finding the Fourth Proportional to 235,623.04, 325,156.22 and 128,190.62

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Solution

The fourth proportional to 235,623.04, 325,156.22 and 128,190.62 is: 176,901.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,623.04 : 325,156.22 = 128,190.62 : x
  2. Step 2: Convert to fraction form
    235,623.04/325,156.22 = 128,190.62/x
  3. Step 3: Cross multiply
    235,623.04x = 325,156.22 × 128,190.62
  4. Step 4: Simplify right side
    235,623.04x = 41,681,977,438.66
  5. Step 5: Solve for x
    x = 41,681,977,438.66/235,623.04
  6. Step 6: Final answer
    x = 176,901.11

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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.