Home / 210,985.24-316,502.64-74,166.52

Finding the Fourth Proportional to 210,985.24, 316,502.64 and 74,166.52

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Solution

The fourth proportional to 210,985.24, 316,502.64 and 74,166.52 is: 111,258.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,985.24 : 316,502.64 = 74,166.52 : x
  2. Step 2: Convert to fraction form
    210,985.24/316,502.64 = 74,166.52/x
  3. Step 3: Cross multiply
    210,985.24x = 316,502.64 × 74,166.52
  4. Step 4: Simplify right side
    210,985.24x = 23,473,899,379.61
  5. Step 5: Solve for x
    x = 23,473,899,379.61/210,985.24
  6. Step 6: Final answer
    x = 111,258.49

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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.