Home / 153,535.96-211,881.14-89,875.09

Finding the Fourth Proportional to 153,535.96, 211,881.14 and 89,875.09

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Solution

The fourth proportional to 153,535.96, 211,881.14 and 89,875.09 is: 124,028.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,535.96 : 211,881.14 = 89,875.09 : x
  2. Step 2: Convert to fraction form
    153,535.96/211,881.14 = 89,875.09/x
  3. Step 3: Cross multiply
    153,535.96x = 211,881.14 × 89,875.09
  4. Step 4: Simplify right side
    153,535.96x = 19,042,836,526.80
  5. Step 5: Solve for x
    x = 19,042,836,526.80/153,535.96
  6. Step 6: Final answer
    x = 124,028.51

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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.