Home / 118,127.49-176,438.28-106,865.57

Finding the Fourth Proportional to 118,127.49, 176,438.28 and 106,865.57

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Solution

The fourth proportional to 118,127.49, 176,438.28 and 106,865.57 is: 159,617.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,127.49 : 176,438.28 = 106,865.57 : x
  2. Step 2: Convert to fraction form
    118,127.49/176,438.28 = 106,865.57/x
  3. Step 3: Cross multiply
    118,127.49x = 176,438.28 × 106,865.57
  4. Step 4: Simplify right side
    118,127.49x = 18,855,176,479.83
  5. Step 5: Solve for x
    x = 18,855,176,479.83/118,127.49
  6. Step 6: Final answer
    x = 159,617.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.