Home / 237,806.08-328,172.31-130,373.80

Finding the Fourth Proportional to 237,806.08, 328,172.31 and 130,373.80

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Solution

The fourth proportional to 237,806.08, 328,172.31 and 130,373.80 is: 179,915.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,806.08 : 328,172.31 = 130,373.80 : x
  2. Step 2: Convert to fraction form
    237,806.08/328,172.31 = 130,373.80/x
  3. Step 3: Cross multiply
    237,806.08x = 328,172.31 × 130,373.80
  4. Step 4: Simplify right side
    237,806.08x = 42,785,071,109.48
  5. Step 5: Solve for x
    x = 42,785,071,109.48/237,806.08
  6. Step 6: Final answer
    x = 179,915.80

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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.