Home / 187,699.40-281,590.66-103,416.16

Finding the Fourth Proportional to 187,699.40, 281,590.66 and 103,416.16

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Solution

The fourth proportional to 187,699.40, 281,590.66 and 103,416.16 is: 155,147.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,699.40 : 281,590.66 = 103,416.16 : x
  2. Step 2: Convert to fraction form
    187,699.40/281,590.66 = 103,416.16/x
  3. Step 3: Cross multiply
    187,699.40x = 281,590.66 × 103,416.16
  4. Step 4: Simplify right side
    187,699.40x = 29,121,024,749.07
  5. Step 5: Solve for x
    x = 29,121,024,749.07/187,699.40
  6. Step 6: Final answer
    x = 155,147.14

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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.