Home / 176,729.32-243,806.10-105,068.68

Finding the Fourth Proportional to 176,729.32, 243,806.10 and 105,068.68

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Solution

The fourth proportional to 176,729.32, 243,806.10 and 105,068.68 is: 144,947.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,729.32 : 243,806.10 = 105,068.68 : x
  2. Step 2: Convert to fraction form
    176,729.32/243,806.10 = 105,068.68/x
  3. Step 3: Cross multiply
    176,729.32x = 243,806.10 × 105,068.68
  4. Step 4: Simplify right side
    176,729.32x = 25,616,385,102.95
  5. Step 5: Solve for x
    x = 25,616,385,102.95/176,729.32
  6. Step 6: Final answer
    x = 144,947.00

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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.