Home / 187,853.19-281,648.53-69,509.17

Finding the Fourth Proportional to 187,853.19, 281,648.53 and 69,509.17

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Solution

The fourth proportional to 187,853.19, 281,648.53 and 69,509.17 is: 104,215.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,853.19 : 281,648.53 = 69,509.17 : x
  2. Step 2: Convert to fraction form
    187,853.19/281,648.53 = 69,509.17/x
  3. Step 3: Cross multiply
    187,853.19x = 281,648.53 × 69,509.17
  4. Step 4: Simplify right side
    187,853.19x = 19,577,155,552.02
  5. Step 5: Solve for x
    x = 19,577,155,552.02/187,853.19
  6. Step 6: Final answer
    x = 104,215.19

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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.