Home / 176,726.75-243,881.03-105,105.20

Finding the Fourth Proportional to 176,726.75, 243,881.03 and 105,105.20

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Solution

The fourth proportional to 176,726.75, 243,881.03 and 105,105.20 is: 145,044.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,726.75 : 243,881.03 = 105,105.20 : x
  2. Step 2: Convert to fraction form
    176,726.75/243,881.03 = 105,105.20/x
  3. Step 3: Cross multiply
    176,726.75x = 243,881.03 × 105,105.20
  4. Step 4: Simplify right side
    176,726.75x = 25,633,163,908.83
  5. Step 5: Solve for x
    x = 25,633,163,908.83/176,726.75
  6. Step 6: Final answer
    x = 145,044.05

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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.