Home / 162,990.16-224,924.40-91,370.08

Finding the Fourth Proportional to 162,990.16, 224,924.40 and 91,370.08

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Solution

The fourth proportional to 162,990.16, 224,924.40 and 91,370.08 is: 126,089.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,990.16 : 224,924.40 = 91,370.08 : x
  2. Step 2: Convert to fraction form
    162,990.16/224,924.40 = 91,370.08/x
  3. Step 3: Cross multiply
    162,990.16x = 224,924.40 × 91,370.08
  4. Step 4: Simplify right side
    162,990.16x = 20,551,360,421.95
  5. Step 5: Solve for x
    x = 20,551,360,421.95/162,990.16
  6. Step 6: Final answer
    x = 126,089.58

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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.