Home / 126,799.51-174,988.60-70,210.89

Finding the Fourth Proportional to 126,799.51, 174,988.60 and 70,210.89

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Solution

The fourth proportional to 126,799.51, 174,988.60 and 70,210.89 is: 96,893.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,799.51 : 174,988.60 = 70,210.89 : x
  2. Step 2: Convert to fraction form
    126,799.51/174,988.60 = 70,210.89/x
  3. Step 3: Cross multiply
    126,799.51x = 174,988.60 × 70,210.89
  4. Step 4: Simplify right side
    126,799.51x = 12,286,105,345.85
  5. Step 5: Solve for x
    x = 12,286,105,345.85/126,799.51
  6. Step 6: Final answer
    x = 96,893.95

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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.