Home / 153,560.64-211,828.14-89,886.18

Finding the Fourth Proportional to 153,560.64, 211,828.14 and 89,886.18

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Solution

The fourth proportional to 153,560.64, 211,828.14 and 89,886.18 is: 123,992.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,560.64 : 211,828.14 = 89,886.18 : x
  2. Step 2: Convert to fraction form
    153,560.64/211,828.14 = 89,886.18/x
  3. Step 3: Cross multiply
    153,560.64x = 211,828.14 × 89,886.18
  4. Step 4: Simplify right side
    153,560.64x = 19,040,422,321.11
  5. Step 5: Solve for x
    x = 19,040,422,321.11/153,560.64
  6. Step 6: Final answer
    x = 123,992.86

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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.