Home / 115,210.08-158,993.28-67,458.96

Finding the Fourth Proportional to 115,210.08, 158,993.28 and 67,458.96

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Solution

The fourth proportional to 115,210.08, 158,993.28 and 67,458.96 is: 93,095.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,210.08 : 158,993.28 = 67,458.96 : x
  2. Step 2: Convert to fraction form
    115,210.08/158,993.28 = 67,458.96/x
  3. Step 3: Cross multiply
    115,210.08x = 158,993.28 × 67,458.96
  4. Step 4: Simplify right side
    115,210.08x = 10,725,521,315.79
  5. Step 5: Solve for x
    x = 10,725,521,315.79/115,210.08
  6. Step 6: Final answer
    x = 93,095.34

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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.