Home / 112,546.65-155,362.19-70,126.14

Finding the Fourth Proportional to 112,546.65, 155,362.19 and 70,126.14

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Solution

The fourth proportional to 112,546.65, 155,362.19 and 70,126.14 is: 96,803.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,546.65 : 155,362.19 = 70,126.14 : x
  2. Step 2: Convert to fraction form
    112,546.65/155,362.19 = 70,126.14/x
  3. Step 3: Cross multiply
    112,546.65x = 155,362.19 × 70,126.14
  4. Step 4: Simplify right side
    112,546.65x = 10,894,950,686.65
  5. Step 5: Solve for x
    x = 10,894,950,686.65/112,546.65
  6. Step 6: Final answer
    x = 96,803.86

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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.