Home / 157,810.11-236,719.91-51,191.16

Finding the Fourth Proportional to 157,810.11, 236,719.91 and 51,191.16

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Solution

The fourth proportional to 157,810.11, 236,719.91 and 51,191.16 is: 76,788.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,810.11 : 236,719.91 = 51,191.16 : x
  2. Step 2: Convert to fraction form
    157,810.11/236,719.91 = 51,191.16/x
  3. Step 3: Cross multiply
    157,810.11x = 236,719.91 × 51,191.16
  4. Step 4: Simplify right side
    157,810.11x = 12,117,966,788.00
  5. Step 5: Solve for x
    x = 12,117,966,788.00/157,810.11
  6. Step 6: Final answer
    x = 76,788.28

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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.