Home / 157,823.10-236,767.77-45,503.10

Finding the Fourth Proportional to 157,823.10, 236,767.77 and 45,503.10

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Solution

The fourth proportional to 157,823.10, 236,767.77 and 45,503.10 is: 68,264.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,823.10 : 236,767.77 = 45,503.10 : x
  2. Step 2: Convert to fraction form
    157,823.10/236,767.77 = 45,503.10/x
  3. Step 3: Cross multiply
    157,823.10x = 236,767.77 × 45,503.10
  4. Step 4: Simplify right side
    157,823.10x = 10,773,667,515.09
  5. Step 5: Solve for x
    x = 10,773,667,515.09/157,823.10
  6. Step 6: Final answer
    x = 68,264.20

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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.