Home / 117,621.04-176,434.80-28,874.20

Finding the Fourth Proportional to 117,621.04, 176,434.80 and 28,874.20

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Solution

The fourth proportional to 117,621.04, 176,434.80 and 28,874.20 is: 43,312.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,621.04 : 176,434.80 = 28,874.20 : x
  2. Step 2: Convert to fraction form
    117,621.04/176,434.80 = 28,874.20/x
  3. Step 3: Cross multiply
    117,621.04x = 176,434.80 × 28,874.20
  4. Step 4: Simplify right side
    117,621.04x = 5,094,413,702.16
  5. Step 5: Solve for x
    x = 5,094,413,702.16/117,621.04
  6. Step 6: Final answer
    x = 43,312.10

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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.