Home / 118,985.03-178,483.46-39,031.05

Finding the Fourth Proportional to 118,985.03, 178,483.46 and 39,031.05

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Solution

The fourth proportional to 118,985.03, 178,483.46 and 39,031.05 is: 58,548.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,985.03 : 178,483.46 = 39,031.05 : x
  2. Step 2: Convert to fraction form
    118,985.03/178,483.46 = 39,031.05/x
  3. Step 3: Cross multiply
    118,985.03x = 178,483.46 × 39,031.05
  4. Step 4: Simplify right side
    118,985.03x = 6,966,396,656.28
  5. Step 5: Solve for x
    x = 6,966,396,656.28/118,985.03
  6. Step 6: Final answer
    x = 58,548.52

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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.