Home / 370,319.34-555,479.02-104,106.76

Finding the Fourth Proportional to 370,319.34, 555,479.02 and 104,106.76

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Solution

The fourth proportional to 370,319.34, 555,479.02 and 104,106.76 is: 156,160.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,319.34 : 555,479.02 = 104,106.76 : x
  2. Step 2: Convert to fraction form
    370,319.34/555,479.02 = 104,106.76/x
  3. Step 3: Cross multiply
    370,319.34x = 555,479.02 × 104,106.76
  4. Step 4: Simplify right side
    370,319.34x = 57,829,121,020.18
  5. Step 5: Solve for x
    x = 57,829,121,020.18/370,319.34
  6. Step 6: Final answer
    x = 156,160.14

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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.