Home / 187,058.10-280,612.55-60,657.12

Finding the Fourth Proportional to 187,058.10, 280,612.55 and 60,657.12

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Solution

The fourth proportional to 187,058.10, 280,612.55 and 60,657.12 is: 90,993.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,058.10 : 280,612.55 = 60,657.12 : x
  2. Step 2: Convert to fraction form
    187,058.10/280,612.55 = 60,657.12/x
  3. Step 3: Cross multiply
    187,058.10x = 280,612.55 × 60,657.12
  4. Step 4: Simplify right side
    187,058.10x = 17,021,148,815.57
  5. Step 5: Solve for x
    x = 17,021,148,815.57/187,058.10
  6. Step 6: Final answer
    x = 90,993.91

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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.