Home / 125,036.18-187,960.69-100,346.77

Finding the Fourth Proportional to 125,036.18, 187,960.69 and 100,346.77

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Solution

The fourth proportional to 125,036.18, 187,960.69 and 100,346.77 is: 150,846.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,036.18 : 187,960.69 = 100,346.77 : x
  2. Step 2: Convert to fraction form
    125,036.18/187,960.69 = 100,346.77/x
  3. Step 3: Cross multiply
    125,036.18x = 187,960.69 × 100,346.77
  4. Step 4: Simplify right side
    125,036.18x = 18,861,248,128.47
  5. Step 5: Solve for x
    x = 18,861,248,128.47/125,036.18
  6. Step 6: Final answer
    x = 150,846.32

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1.5x scale

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.