Home / 185,990.22-256,661.10-105,425.16

Finding the Fourth Proportional to 185,990.22, 256,661.10 and 105,425.16

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Solution

The fourth proportional to 185,990.22, 256,661.10 and 105,425.16 is: 145,483.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,990.22 : 256,661.10 = 105,425.16 : x
  2. Step 2: Convert to fraction form
    185,990.22/256,661.10 = 105,425.16/x
  3. Step 3: Cross multiply
    185,990.22x = 256,661.10 × 105,425.16
  4. Step 4: Simplify right side
    185,990.22x = 27,058,537,533.28
  5. Step 5: Solve for x
    x = 27,058,537,533.28/185,990.22
  6. Step 6: Final answer
    x = 145,483.66

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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.