Home / 105,897.08-146,140.35-58,150.64

Finding the Fourth Proportional to 105,897.08, 146,140.35 and 58,150.64

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Solution

The fourth proportional to 105,897.08, 146,140.35 and 58,150.64 is: 80,249.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,897.08 : 146,140.35 = 58,150.64 : x
  2. Step 2: Convert to fraction form
    105,897.08/146,140.35 = 58,150.64/x
  3. Step 3: Cross multiply
    105,897.08x = 146,140.35 × 58,150.64
  4. Step 4: Simplify right side
    105,897.08x = 8,498,154,882.32
  5. Step 5: Solve for x
    x = 8,498,154,882.32/105,897.08
  6. Step 6: Final answer
    x = 80,249.19

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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.