Home / 187,390.13-258,599.18-101,349.12

Finding the Fourth Proportional to 187,390.13, 258,599.18 and 101,349.12

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Solution

The fourth proportional to 187,390.13, 258,599.18 and 101,349.12 is: 139,862.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,390.13 : 258,599.18 = 101,349.12 : x
  2. Step 2: Convert to fraction form
    187,390.13/258,599.18 = 101,349.12/x
  3. Step 3: Cross multiply
    187,390.13x = 258,599.18 × 101,349.12
  4. Step 4: Simplify right side
    187,390.13x = 26,208,800,548.84
  5. Step 5: Solve for x
    x = 26,208,800,548.84/187,390.13
  6. Step 6: Final answer
    x = 139,862.23

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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.