Home / 134,810.40-186,036.56-74,383.59

Finding the Fourth Proportional to 134,810.40, 186,036.56 and 74,383.59

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Solution

The fourth proportional to 134,810.40, 186,036.56 and 74,383.59 is: 102,648.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,810.40 : 186,036.56 = 74,383.59 : x
  2. Step 2: Convert to fraction form
    134,810.40/186,036.56 = 74,383.59/x
  3. Step 3: Cross multiply
    134,810.40x = 186,036.56 × 74,383.59
  4. Step 4: Simplify right side
    134,810.40x = 13,838,066,832.13
  5. Step 5: Solve for x
    x = 13,838,066,832.13/134,810.40
  6. Step 6: Final answer
    x = 102,648.36

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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.