Home / 187,030.06-280,581.69-68,702.32

Finding the Fourth Proportional to 187,030.06, 280,581.69 and 68,702.32

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Solution

The fourth proportional to 187,030.06, 280,581.69 and 68,702.32 is: 103,066.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,030.06 : 280,581.69 = 68,702.32 : x
  2. Step 2: Convert to fraction form
    187,030.06/280,581.69 = 68,702.32/x
  3. Step 3: Cross multiply
    187,030.06x = 280,581.69 × 68,702.32
  4. Step 4: Simplify right side
    187,030.06x = 19,276,613,052.52
  5. Step 5: Solve for x
    x = 19,276,613,052.52/187,030.06
  6. Step 6: Final answer
    x = 103,066.92

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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.