Home / 187,118.61-258,223.77-101,077.59

Finding the Fourth Proportional to 187,118.61, 258,223.77 and 101,077.59

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Solution

The fourth proportional to 187,118.61, 258,223.77 and 101,077.59 is: 139,487.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,118.61 : 258,223.77 = 101,077.59 : x
  2. Step 2: Convert to fraction form
    187,118.61/258,223.77 = 101,077.59/x
  3. Step 3: Cross multiply
    187,118.61x = 258,223.77 × 101,077.59
  4. Step 4: Simplify right side
    187,118.61x = 26,100,636,352.31
  5. Step 5: Solve for x
    x = 26,100,636,352.31/187,118.61
  6. Step 6: Final answer
    x = 139,487.12

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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.