Home / 154,798.31-232,197.71-42,480.06

Finding the Fourth Proportional to 154,798.31, 232,197.71 and 42,480.06

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Solution

The fourth proportional to 154,798.31, 232,197.71 and 42,480.06 is: 63,720.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,798.31 : 232,197.71 = 42,480.06 : x
  2. Step 2: Convert to fraction form
    154,798.31/232,197.71 = 42,480.06/x
  3. Step 3: Cross multiply
    154,798.31x = 232,197.71 × 42,480.06
  4. Step 4: Simplify right side
    154,798.31x = 9,863,772,440.26
  5. Step 5: Solve for x
    x = 9,863,772,440.26/154,798.31
  6. Step 6: Final answer
    x = 63,720.16

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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.