Home / 157,279.06-236,020.08-57,430.89

Finding the Fourth Proportional to 157,279.06, 236,020.08 and 57,430.89

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Solution

The fourth proportional to 157,279.06, 236,020.08 and 57,430.89 is: 86,183.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,279.06 : 236,020.08 = 57,430.89 : x
  2. Step 2: Convert to fraction form
    157,279.06/236,020.08 = 57,430.89/x
  3. Step 3: Cross multiply
    157,279.06x = 236,020.08 × 57,430.89
  4. Step 4: Simplify right side
    157,279.06x = 13,554,842,518.64
  5. Step 5: Solve for x
    x = 13,554,842,518.64/157,279.06
  6. Step 6: Final answer
    x = 86,183.39

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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.