Home / 134,574.70-185,705.64-74,133.46

Finding the Fourth Proportional to 134,574.70, 185,705.64 and 74,133.46

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Solution

The fourth proportional to 134,574.70, 185,705.64 and 74,133.46 is: 102,300.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,574.70 : 185,705.64 = 74,133.46 : x
  2. Step 2: Convert to fraction form
    134,574.70/185,705.64 = 74,133.46/x
  3. Step 3: Cross multiply
    134,574.70x = 185,705.64 × 74,133.46
  4. Step 4: Simplify right side
    134,574.70x = 13,767,001,634.71
  5. Step 5: Solve for x
    x = 13,767,001,634.71/134,574.70
  6. Step 6: Final answer
    x = 102,300.07

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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.