Home / 153,373.57-211,581.33-98,911.37

Finding the Fourth Proportional to 153,373.57, 211,581.33 and 98,911.37

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Solution

The fourth proportional to 153,373.57, 211,581.33 and 98,911.37 is: 136,449.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,373.57 : 211,581.33 = 98,911.37 : x
  2. Step 2: Convert to fraction form
    153,373.57/211,581.33 = 98,911.37/x
  3. Step 3: Cross multiply
    153,373.57x = 211,581.33 × 98,911.37
  4. Step 4: Simplify right side
    153,373.57x = 20,927,799,216.72
  5. Step 5: Solve for x
    x = 20,927,799,216.72/153,373.57
  6. Step 6: Final answer
    x = 136,449.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.