Home / 157,848.12-217,816.12-88,948.80

Finding the Fourth Proportional to 157,848.12, 217,816.12 and 88,948.80

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Solution

The fourth proportional to 157,848.12, 217,816.12 and 88,948.80 is: 122,741.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,848.12 : 217,816.12 = 88,948.80 : x
  2. Step 2: Convert to fraction form
    157,848.12/217,816.12 = 88,948.80/x
  3. Step 3: Cross multiply
    157,848.12x = 217,816.12 × 88,948.80
  4. Step 4: Simplify right side
    157,848.12x = 19,374,482,494.66
  5. Step 5: Solve for x
    x = 19,374,482,494.66/157,848.12
  6. Step 6: Final answer
    x = 122,741.29

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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.