Home / 154,828.67-232,242.56-42,509.00

Finding the Fourth Proportional to 154,828.67, 232,242.56 and 42,509.00

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Solution

The fourth proportional to 154,828.67, 232,242.56 and 42,509.00 is: 63,763.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,828.67 : 232,242.56 = 42,509.00 : x
  2. Step 2: Convert to fraction form
    154,828.67/232,242.56 = 42,509.00/x
  3. Step 3: Cross multiply
    154,828.67x = 232,242.56 × 42,509.00
  4. Step 4: Simplify right side
    154,828.67x = 9,872,397,821.83
  5. Step 5: Solve for x
    x = 9,872,397,821.83/154,828.67
  6. Step 6: Final answer
    x = 63,763.37

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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.