Home / 255,731.40-383,742.90-176,902.20

Finding the Fourth Proportional to 255,731.40, 383,742.90 and 176,902.20

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Solution

The fourth proportional to 255,731.40, 383,742.90 and 176,902.20 is: 265,454.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,731.40 : 383,742.90 = 176,902.20 : x
  2. Step 2: Convert to fraction form
    255,731.40/383,742.90 = 176,902.20/x
  3. Step 3: Cross multiply
    255,731.40x = 383,742.90 × 176,902.20
  4. Step 4: Simplify right side
    255,731.40x = 67,884,963,244.38
  5. Step 5: Solve for x
    x = 67,884,963,244.38/255,731.40
  6. Step 6: Final answer
    x = 265,454.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.