Home / 97,677.20-146,515.80-96,640.40

Finding the Fourth Proportional to 97,677.20, 146,515.80 and 96,640.40

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Solution

The fourth proportional to 97,677.20, 146,515.80 and 96,640.40 is: 144,960.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,677.20 : 146,515.80 = 96,640.40 : x
  2. Step 2: Convert to fraction form
    97,677.20/146,515.80 = 96,640.40/x
  3. Step 3: Cross multiply
    97,677.20x = 146,515.80 × 96,640.40
  4. Step 4: Simplify right side
    97,677.20x = 14,159,345,518.32
  5. Step 5: Solve for x
    x = 14,159,345,518.32/97,677.20
  6. Step 6: Final answer
    x = 144,960.60

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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.