Home / 163,225.16-244,328.93-125,687.72

Finding the Fourth Proportional to 163,225.16, 244,328.93 and 125,687.72

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Solution

The fourth proportional to 163,225.16, 244,328.93 and 125,687.72 is: 188,139.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,225.16 : 244,328.93 = 125,687.72 : x
  2. Step 2: Convert to fraction form
    163,225.16/244,328.93 = 125,687.72/x
  3. Step 3: Cross multiply
    163,225.16x = 244,328.93 × 125,687.72
  4. Step 4: Simplify right side
    163,225.16x = 30,709,146,141.74
  5. Step 5: Solve for x
    x = 30,709,146,141.74/163,225.16
  6. Step 6: Final answer
    x = 188,139.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.