Home / 176,705.17-243,834.93-105,071.36

Finding the Fourth Proportional to 176,705.17, 243,834.93 and 105,071.36

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Solution

The fourth proportional to 176,705.17, 243,834.93 and 105,071.36 is: 144,987.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,705.17 : 243,834.93 = 105,071.36 : x
  2. Step 2: Convert to fraction form
    176,705.17/243,834.93 = 105,071.36/x
  3. Step 3: Cross multiply
    176,705.17x = 243,834.93 × 105,071.36
  4. Step 4: Simplify right side
    176,705.17x = 25,620,066,491.43
  5. Step 5: Solve for x
    x = 25,620,066,491.43/176,705.17
  6. Step 6: Final answer
    x = 144,987.65

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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.