Home / 152,953.40-229,430.10-121,460.60

Finding the Fourth Proportional to 152,953.40, 229,430.10 and 121,460.60

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Solution

The fourth proportional to 152,953.40, 229,430.10 and 121,460.60 is: 182,190.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,953.40 : 229,430.10 = 121,460.60 : x
  2. Step 2: Convert to fraction form
    152,953.40/229,430.10 = 121,460.60/x
  3. Step 3: Cross multiply
    152,953.40x = 229,430.10 × 121,460.60
  4. Step 4: Simplify right side
    152,953.40x = 27,866,717,604.06
  5. Step 5: Solve for x
    x = 27,866,717,604.06/152,953.40
  6. Step 6: Final answer
    x = 182,190.90

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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.