Home / 268,280.10-370,145.80-160,810.92

Finding the Fourth Proportional to 268,280.10, 370,145.80 and 160,810.92

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Solution

The fourth proportional to 268,280.10, 370,145.80 and 160,810.92 is: 221,870.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,280.10 : 370,145.80 = 160,810.92 : x
  2. Step 2: Convert to fraction form
    268,280.10/370,145.80 = 160,810.92/x
  3. Step 3: Cross multiply
    268,280.10x = 370,145.80 × 160,810.92
  4. Step 4: Simplify right side
    268,280.10x = 59,523,486,833.15
  5. Step 5: Solve for x
    x = 59,523,486,833.15/268,280.10
  6. Step 6: Final answer
    x = 221,870.67

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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.