Home / 185,727.33-256,312.76-105,158.25

Finding the Fourth Proportional to 185,727.33, 256,312.76 and 105,158.25

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Solution

The fourth proportional to 185,727.33, 256,312.76 and 105,158.25 is: 145,123.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,727.33 : 256,312.76 = 105,158.25 : x
  2. Step 2: Convert to fraction form
    185,727.33/256,312.76 = 105,158.25/x
  3. Step 3: Cross multiply
    185,727.33x = 256,312.76 × 105,158.25
  4. Step 4: Simplify right side
    185,727.33x = 26,953,400,768.48
  5. Step 5: Solve for x
    x = 26,953,400,768.48/185,727.33
  6. Step 6: Final answer
    x = 145,123.50

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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.