Home / 147,338.51-203,327.96-86,088.29

Finding the Fourth Proportional to 147,338.51, 203,327.96 and 86,088.29

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Solution

The fourth proportional to 147,338.51, 203,327.96 and 86,088.29 is: 118,802.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,338.51 : 203,327.96 = 86,088.29 : x
  2. Step 2: Convert to fraction form
    147,338.51/203,327.96 = 86,088.29/x
  3. Step 3: Cross multiply
    147,338.51x = 203,327.96 × 86,088.29
  4. Step 4: Simplify right side
    147,338.51x = 17,504,156,385.59
  5. Step 5: Solve for x
    x = 17,504,156,385.59/147,338.51
  6. Step 6: Final answer
    x = 118,802.32

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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.