Home / 158,854.19-238,335.95-99,620.51

Finding the Fourth Proportional to 158,854.19, 238,335.95 and 99,620.51

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Solution

The fourth proportional to 158,854.19, 238,335.95 and 99,620.51 is: 149,465.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,854.19 : 238,335.95 = 99,620.51 : x
  2. Step 2: Convert to fraction form
    158,854.19/238,335.95 = 99,620.51/x
  3. Step 3: Cross multiply
    158,854.19x = 238,335.95 × 99,620.51
  4. Step 4: Simplify right side
    158,854.19x = 23,743,147,947.71
  5. Step 5: Solve for x
    x = 23,743,147,947.71/158,854.19
  6. Step 6: Final answer
    x = 149,465.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.