Home / 286,925.60-395,795.52-172,173.76

Finding the Fourth Proportional to 286,925.60, 395,795.52 and 172,173.76

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Solution

The fourth proportional to 286,925.60, 395,795.52 and 172,173.76 is: 237,502.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,925.60 : 395,795.52 = 172,173.76 : x
  2. Step 2: Convert to fraction form
    286,925.60/395,795.52 = 172,173.76/x
  3. Step 3: Cross multiply
    286,925.60x = 395,795.52 × 172,173.76
  4. Step 4: Simplify right side
    286,925.60x = 68,145,602,869.56
  5. Step 5: Solve for x
    x = 68,145,602,869.56/286,925.60
  6. Step 6: Final answer
    x = 237,502.69

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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.