Home / 157,623.40-236,456.70-57,759.40

Finding the Fourth Proportional to 157,623.40, 236,456.70 and 57,759.40

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Solution

The fourth proportional to 157,623.40, 236,456.70 and 57,759.40 is: 86,647.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,623.40 : 236,456.70 = 57,759.40 : x
  2. Step 2: Convert to fraction form
    157,623.40/236,456.70 = 57,759.40/x
  3. Step 3: Cross multiply
    157,623.40x = 236,456.70 × 57,759.40
  4. Step 4: Simplify right side
    157,623.40x = 13,657,597,117.98
  5. Step 5: Solve for x
    x = 13,657,597,117.98/157,623.40
  6. Step 6: Final answer
    x = 86,647.02

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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.