Home / 185,813.60-256,427.51-105,239.93

Finding the Fourth Proportional to 185,813.60, 256,427.51 and 105,239.93

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Solution

The fourth proportional to 185,813.60, 256,427.51 and 105,239.93 is: 145,233.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,813.60 : 256,427.51 = 105,239.93 : x
  2. Step 2: Convert to fraction form
    185,813.60/256,427.51 = 105,239.93/x
  3. Step 3: Cross multiply
    185,813.60x = 256,427.51 × 105,239.93
  4. Step 4: Simplify right side
    185,813.60x = 26,986,411,394.14
  5. Step 5: Solve for x
    x = 26,986,411,394.14/185,813.60
  6. Step 6: Final answer
    x = 145,233.78

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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.