Home / 176,731.32-243,808.86-105,070.68

Finding the Fourth Proportional to 176,731.32, 243,808.86 and 105,070.68

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Solution

The fourth proportional to 176,731.32, 243,808.86 and 105,070.68 is: 144,949.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,731.32 : 243,808.86 = 105,070.68 : x
  2. Step 2: Convert to fraction form
    176,731.32/243,808.86 = 105,070.68/x
  3. Step 3: Cross multiply
    176,731.32x = 243,808.86 × 105,070.68
  4. Step 4: Simplify right side
    176,731.32x = 25,617,162,710.22
  5. Step 5: Solve for x
    x = 25,617,162,710.22/176,731.32
  6. Step 6: Final answer
    x = 144,949.76

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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.