Home / 105,407.74-158,132.79-38,848.24

Finding the Fourth Proportional to 105,407.74, 158,132.79 and 38,848.24

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Solution

The fourth proportional to 105,407.74, 158,132.79 and 38,848.24 is: 58,280.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,407.74 : 158,132.79 = 38,848.24 : x
  2. Step 2: Convert to fraction form
    105,407.74/158,132.79 = 38,848.24/x
  3. Step 3: Cross multiply
    105,407.74x = 158,132.79 × 38,848.24
  4. Step 4: Simplify right side
    105,407.74x = 6,143,180,577.79
  5. Step 5: Solve for x
    x = 6,143,180,577.79/105,407.74
  6. Step 6: Final answer
    x = 58,280.17

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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.