Home / 158,825.48-219,190.66-105,017.18

Finding the Fourth Proportional to 158,825.48, 219,190.66 and 105,017.18

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Solution

The fourth proportional to 158,825.48, 219,190.66 and 105,017.18 is: 144,931.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,825.48 : 219,190.66 = 105,017.18 : x
  2. Step 2: Convert to fraction form
    158,825.48/219,190.66 = 105,017.18/x
  3. Step 3: Cross multiply
    158,825.48x = 219,190.66 × 105,017.18
  4. Step 4: Simplify right side
    158,825.48x = 23,018,783,637.04
  5. Step 5: Solve for x
    x = 23,018,783,637.04/158,825.48
  6. Step 6: Final answer
    x = 144,931.31

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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.