Home / 129,627.63-178,886.19-70,011.63

Finding the Fourth Proportional to 129,627.63, 178,886.19 and 70,011.63

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Solution

The fourth proportional to 129,627.63, 178,886.19 and 70,011.63 is: 96,616.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,627.63 : 178,886.19 = 70,011.63 : x
  2. Step 2: Convert to fraction form
    129,627.63/178,886.19 = 70,011.63/x
  3. Step 3: Cross multiply
    129,627.63x = 178,886.19 × 70,011.63
  4. Step 4: Simplify right side
    129,627.63x = 12,524,113,746.39
  5. Step 5: Solve for x
    x = 12,524,113,746.39/129,627.63
  6. Step 6: Final answer
    x = 96,616.08

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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.