Home / 191,160.04-263,807.60-105,125.56

Finding the Fourth Proportional to 191,160.04, 263,807.60 and 105,125.56

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Solution

The fourth proportional to 191,160.04, 263,807.60 and 105,125.56 is: 145,076.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,160.04 : 263,807.60 = 105,125.56 : x
  2. Step 2: Convert to fraction form
    191,160.04/263,807.60 = 105,125.56/x
  3. Step 3: Cross multiply
    191,160.04x = 263,807.60 × 105,125.56
  4. Step 4: Simplify right side
    191,160.04x = 27,732,921,682.26
  5. Step 5: Solve for x
    x = 27,732,921,682.26/191,160.04
  6. Step 6: Final answer
    x = 145,076.98

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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.