Home / 152,920.17-210,956.60-107,623.28

Finding the Fourth Proportional to 152,920.17, 210,956.60 and 107,623.28

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Solution

The fourth proportional to 152,920.17, 210,956.60 and 107,623.28 is: 148,468.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,920.17 : 210,956.60 = 107,623.28 : x
  2. Step 2: Convert to fraction form
    152,920.17/210,956.60 = 107,623.28/x
  3. Step 3: Cross multiply
    152,920.17x = 210,956.60 × 107,623.28
  4. Step 4: Simplify right side
    152,920.17x = 22,703,842,026.10
  5. Step 5: Solve for x
    x = 22,703,842,026.10/152,920.17
  6. Step 6: Final answer
    x = 148,468.59

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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.