Home / 105,437.18-158,054.17-38,840.91

Finding the Fourth Proportional to 105,437.18, 158,054.17 and 38,840.91

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Solution

The fourth proportional to 105,437.18, 158,054.17 and 38,840.91 is: 58,223.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,437.18 : 158,054.17 = 38,840.91 : x
  2. Step 2: Convert to fraction form
    105,437.18/158,054.17 = 38,840.91/x
  3. Step 3: Cross multiply
    105,437.18x = 158,054.17 × 38,840.91
  4. Step 4: Simplify right side
    105,437.18x = 6,138,967,792.09
  5. Step 5: Solve for x
    x = 6,138,967,792.09/105,437.18
  6. Step 6: Final answer
    x = 58,223.94

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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.