Home / 162,904.75-224,808.56-99,242.50

Finding the Fourth Proportional to 162,904.75, 224,808.56 and 99,242.50

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Solution

The fourth proportional to 162,904.75, 224,808.56 and 99,242.50 is: 136,954.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,904.75 : 224,808.56 = 99,242.50 : x
  2. Step 2: Convert to fraction form
    162,904.75/224,808.56 = 99,242.50/x
  3. Step 3: Cross multiply
    162,904.75x = 224,808.56 × 99,242.50
  4. Step 4: Simplify right side
    162,904.75x = 22,310,563,515.80
  5. Step 5: Solve for x
    x = 22,310,563,515.80/162,904.75
  6. Step 6: Final answer
    x = 136,954.65

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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.