Home / 151,775.97-209,457.85-83,802.59

Finding the Fourth Proportional to 151,775.97, 209,457.85 and 83,802.59

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Solution

The fourth proportional to 151,775.97, 209,457.85 and 83,802.59 is: 115,651.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,775.97 : 209,457.85 = 83,802.59 : x
  2. Step 2: Convert to fraction form
    151,775.97/209,457.85 = 83,802.59/x
  3. Step 3: Cross multiply
    151,775.97x = 209,457.85 × 83,802.59
  4. Step 4: Simplify right side
    151,775.97x = 17,553,110,639.97
  5. Step 5: Solve for x
    x = 17,553,110,639.97/151,775.97
  6. Step 6: Final answer
    x = 115,651.45

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1.5x scale

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.