Home / 152,788.80-229,128.36-52,922.16

Finding the Fourth Proportional to 152,788.80, 229,128.36 and 52,922.16

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Solution

The fourth proportional to 152,788.80, 229,128.36 and 52,922.16 is: 79,364.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,788.80 : 229,128.36 = 52,922.16 : x
  2. Step 2: Convert to fraction form
    152,788.80/229,128.36 = 52,922.16/x
  3. Step 3: Cross multiply
    152,788.80x = 229,128.36 × 52,922.16
  4. Step 4: Simplify right side
    152,788.80x = 12,125,967,728.46
  5. Step 5: Solve for x
    x = 12,125,967,728.46/152,788.80
  6. Step 6: Final answer
    x = 79,364.24

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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.