Home / 117,420.20-176,000.70-64,867.40

Finding the Fourth Proportional to 117,420.20, 176,000.70 and 64,867.40

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Solution

The fourth proportional to 117,420.20, 176,000.70 and 64,867.40 is: 97,229.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,420.20 : 176,000.70 = 64,867.40 : x
  2. Step 2: Convert to fraction form
    117,420.20/176,000.70 = 64,867.40/x
  3. Step 3: Cross multiply
    117,420.20x = 176,000.70 × 64,867.40
  4. Step 4: Simplify right side
    117,420.20x = 11,416,707,807.18
  5. Step 5: Solve for x
    x = 11,416,707,807.18/117,420.20
  6. Step 6: Final answer
    x = 97,229.50

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1.5x scale

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.