Home / 96,311.20-144,466.80-64,818.40

Finding the Fourth Proportional to 96,311.20, 144,466.80 and 64,818.40

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Solution

The fourth proportional to 96,311.20, 144,466.80 and 64,818.40 is: 97,227.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,311.20 : 144,466.80 = 64,818.40 : x
  2. Step 2: Convert to fraction form
    96,311.20/144,466.80 = 64,818.40/x
  3. Step 3: Cross multiply
    96,311.20x = 144,466.80 × 64,818.40
  4. Step 4: Simplify right side
    96,311.20x = 9,364,106,829.12
  5. Step 5: Solve for x
    x = 9,364,106,829.12/96,311.20
  6. Step 6: Final answer
    x = 97,227.60

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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.