Home / 180,455.50-249,002.53-99,882.83

Finding the Fourth Proportional to 180,455.50, 249,002.53 and 99,882.83

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Solution

The fourth proportional to 180,455.50, 249,002.53 and 99,882.83 is: 137,823.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,455.50 : 249,002.53 = 99,882.83 : x
  2. Step 2: Convert to fraction form
    180,455.50/249,002.53 = 99,882.83/x
  3. Step 3: Cross multiply
    180,455.50x = 249,002.53 × 99,882.83
  4. Step 4: Simplify right side
    180,455.50x = 24,871,076,874.15
  5. Step 5: Solve for x
    x = 24,871,076,874.15/180,455.50
  6. Step 6: Final answer
    x = 137,823.88

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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.