Home / 370,240.28-555,381.95-104,021.55

Finding the Fourth Proportional to 370,240.28, 555,381.95 and 104,021.55

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Solution

The fourth proportional to 370,240.28, 555,381.95 and 104,021.55 is: 156,038.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,240.28 : 555,381.95 = 104,021.55 : x
  2. Step 2: Convert to fraction form
    370,240.28/555,381.95 = 104,021.55/x
  3. Step 3: Cross multiply
    370,240.28x = 555,381.95 × 104,021.55
  4. Step 4: Simplify right side
    370,240.28x = 57,771,691,281.02
  5. Step 5: Solve for x
    x = 57,771,691,281.02/370,240.28
  6. Step 6: Final answer
    x = 156,038.37

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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.