Home / 125,678.11-173,434.57-93,556.37

Finding the Fourth Proportional to 125,678.11, 173,434.57 and 93,556.37

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Solution

The fourth proportional to 125,678.11, 173,434.57 and 93,556.37 is: 129,106.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,678.11 : 173,434.57 = 93,556.37 : x
  2. Step 2: Convert to fraction form
    125,678.11/173,434.57 = 93,556.37/x
  3. Step 3: Cross multiply
    125,678.11x = 173,434.57 × 93,556.37
  4. Step 4: Simplify right side
    125,678.11x = 16,225,908,025.84
  5. Step 5: Solve for x
    x = 16,225,908,025.84/125,678.11
  6. Step 6: Final answer
    x = 129,106.88

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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.