Home / 256,130.19-383,243.76-160,914.60

Finding the Fourth Proportional to 256,130.19, 383,243.76 and 160,914.60

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Solution

The fourth proportional to 256,130.19, 383,243.76 and 160,914.60 is: 240,774.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,130.19 : 383,243.76 = 160,914.60 : x
  2. Step 2: Convert to fraction form
    256,130.19/383,243.76 = 160,914.60/x
  3. Step 3: Cross multiply
    256,130.19x = 383,243.76 × 160,914.60
  4. Step 4: Simplify right side
    256,130.19x = 61,669,516,342.90
  5. Step 5: Solve for x
    x = 61,669,516,342.90/256,130.19
  6. Step 6: Final answer
    x = 240,774.10

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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.