Home / 110,356.12-152,280.90-61,946.96

Finding the Fourth Proportional to 110,356.12, 152,280.90 and 61,946.96

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Solution

The fourth proportional to 110,356.12, 152,280.90 and 61,946.96 is: 85,480.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,356.12 : 152,280.90 = 61,946.96 : x
  2. Step 2: Convert to fraction form
    110,356.12/152,280.90 = 61,946.96/x
  3. Step 3: Cross multiply
    110,356.12x = 152,280.90 × 61,946.96
  4. Step 4: Simplify right side
    110,356.12x = 9,433,338,821.06
  5. Step 5: Solve for x
    x = 9,433,338,821.06/110,356.12
  6. Step 6: Final answer
    x = 85,480.89

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1.5x scale

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.