Home / 187,051.90-280,577.85-112,402.30

Finding the Fourth Proportional to 187,051.90, 280,577.85 and 112,402.30

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Solution

The fourth proportional to 187,051.90, 280,577.85 and 112,402.30 is: 168,603.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,051.90 : 280,577.85 = 112,402.30 : x
  2. Step 2: Convert to fraction form
    187,051.90/280,577.85 = 112,402.30/x
  3. Step 3: Cross multiply
    187,051.90x = 280,577.85 × 112,402.30
  4. Step 4: Simplify right side
    187,051.90x = 31,537,595,669.06
  5. Step 5: Solve for x
    x = 31,537,595,669.06/187,051.90
  6. Step 6: Final answer
    x = 168,603.45

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1.5x scale

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.