Home / 176,742.46-243,811.65-105,071.50

Finding the Fourth Proportional to 176,742.46, 243,811.65 and 105,071.50

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Solution

The fourth proportional to 176,742.46, 243,811.65 and 105,071.50 is: 144,943.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,742.46 : 243,811.65 = 105,071.50 : x
  2. Step 2: Convert to fraction form
    176,742.46/243,811.65 = 105,071.50/x
  3. Step 3: Cross multiply
    176,742.46x = 243,811.65 × 105,071.50
  4. Step 4: Simplify right side
    176,742.46x = 25,617,655,782.98
  5. Step 5: Solve for x
    x = 25,617,655,782.98/176,742.46
  6. Step 6: Final answer
    x = 144,943.42

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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.