Home / 261,337.30-360,601.75-153,928.71

Finding the Fourth Proportional to 261,337.30, 360,601.75 and 153,928.71

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Solution

The fourth proportional to 261,337.30, 360,601.75 and 153,928.71 is: 212,395.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,337.30 : 360,601.75 = 153,928.71 : x
  2. Step 2: Convert to fraction form
    261,337.30/360,601.75 = 153,928.71/x
  3. Step 3: Cross multiply
    261,337.30x = 360,601.75 × 153,928.71
  4. Step 4: Simplify right side
    261,337.30x = 55,506,962,201.24
  5. Step 5: Solve for x
    x = 55,506,962,201.24/261,337.30
  6. Step 6: Final answer
    x = 212,395.87

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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.