Home / 153,312.35-229,990.19-53,457.98

Finding the Fourth Proportional to 153,312.35, 229,990.19 and 53,457.98

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Solution

The fourth proportional to 153,312.35, 229,990.19 and 53,457.98 is: 80,194.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,312.35 : 229,990.19 = 53,457.98 : x
  2. Step 2: Convert to fraction form
    153,312.35/229,990.19 = 53,457.98/x
  3. Step 3: Cross multiply
    153,312.35x = 229,990.19 × 53,457.98
  4. Step 4: Simplify right side
    153,312.35x = 12,294,809,559.98
  5. Step 5: Solve for x
    x = 12,294,809,559.98/153,312.35
  6. Step 6: Final answer
    x = 80,194.52

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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.