Home / 98,244.80-147,331.20-31,702.40

Finding the Fourth Proportional to 98,244.80, 147,331.20 and 31,702.40

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Solution

The fourth proportional to 98,244.80, 147,331.20 and 31,702.40 is: 47,541.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,244.80 : 147,331.20 = 31,702.40 : x
  2. Step 2: Convert to fraction form
    98,244.80/147,331.20 = 31,702.40/x
  3. Step 3: Cross multiply
    98,244.80x = 147,331.20 × 31,702.40
  4. Step 4: Simplify right side
    98,244.80x = 4,670,752,634.88
  5. Step 5: Solve for x
    x = 4,670,752,634.88/98,244.80
  6. Step 6: Final answer
    x = 47,541.98

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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.