Home / 154,666.67-213,421.03-94,215.35

Finding the Fourth Proportional to 154,666.67, 213,421.03 and 94,215.35

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Solution

The fourth proportional to 154,666.67, 213,421.03 and 94,215.35 is: 130,005.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,666.67 : 213,421.03 = 94,215.35 : x
  2. Step 2: Convert to fraction form
    154,666.67/213,421.03 = 94,215.35/x
  3. Step 3: Cross multiply
    154,666.67x = 213,421.03 × 94,215.35
  4. Step 4: Simplify right side
    154,666.67x = 20,107,537,336.82
  5. Step 5: Solve for x
    x = 20,107,537,336.82/154,666.67
  6. Step 6: Final answer
    x = 130,005.63

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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.