Home / 210,862.02-316,480.14-98,603.34

Finding the Fourth Proportional to 210,862.02, 316,480.14 and 98,603.34

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Solution

The fourth proportional to 210,862.02, 316,480.14 and 98,603.34 is: 147,992.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,862.02 : 316,480.14 = 98,603.34 : x
  2. Step 2: Convert to fraction form
    210,862.02/316,480.14 = 98,603.34/x
  3. Step 3: Cross multiply
    210,862.02x = 316,480.14 × 98,603.34
  4. Step 4: Simplify right side
    210,862.02x = 31,205,998,847.67
  5. Step 5: Solve for x
    x = 31,205,998,847.67/210,862.02
  6. Step 6: Final answer
    x = 147,992.51

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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.