Home / 268,300.76-370,247.58-147,442.01

Finding the Fourth Proportional to 268,300.76, 370,247.58 and 147,442.01

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Solution

The fourth proportional to 268,300.76, 370,247.58 and 147,442.01 is: 203,465.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,300.76 : 370,247.58 = 147,442.01 : x
  2. Step 2: Convert to fraction form
    268,300.76/370,247.58 = 147,442.01/x
  3. Step 3: Cross multiply
    268,300.76x = 370,247.58 × 147,442.01
  4. Step 4: Simplify right side
    268,300.76x = 54,590,045,541.60
  5. Step 5: Solve for x
    x = 54,590,045,541.60/268,300.76
  6. Step 6: Final answer
    x = 203,465.87

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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.