Home / 215,529.08-297,430.06-124,937.62

Finding the Fourth Proportional to 215,529.08, 297,430.06 and 124,937.62

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Solution

The fourth proportional to 215,529.08, 297,430.06 and 124,937.62 is: 172,413.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,529.08 : 297,430.06 = 124,937.62 : x
  2. Step 2: Convert to fraction form
    215,529.08/297,430.06 = 124,937.62/x
  3. Step 3: Cross multiply
    215,529.08x = 297,430.06 × 124,937.62
  4. Step 4: Simplify right side
    215,529.08x = 37,160,203,812.86
  5. Step 5: Solve for x
    x = 37,160,203,812.86/215,529.08
  6. Step 6: Final answer
    x = 172,413.87

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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.