Home / 105,725.52-158,588.28-26,840.16

Finding the Fourth Proportional to 105,725.52, 158,588.28 and 26,840.16

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Solution

The fourth proportional to 105,725.52, 158,588.28 and 26,840.16 is: 40,260.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,725.52 : 158,588.28 = 26,840.16 : x
  2. Step 2: Convert to fraction form
    105,725.52/158,588.28 = 26,840.16/x
  3. Step 3: Cross multiply
    105,725.52x = 158,588.28 × 26,840.16
  4. Step 4: Simplify right side
    105,725.52x = 4,256,534,809.32
  5. Step 5: Solve for x
    x = 4,256,534,809.32/105,725.52
  6. Step 6: Final answer
    x = 40,260.24

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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.