Home / 235,439.90-353,152.02-102,320.30

Finding the Fourth Proportional to 235,439.90, 353,152.02 and 102,320.30

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Solution

The fourth proportional to 235,439.90, 353,152.02 and 102,320.30 is: 153,477.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,439.90 : 353,152.02 = 102,320.30 : x
  2. Step 2: Convert to fraction form
    235,439.90/353,152.02 = 102,320.30/x
  3. Step 3: Cross multiply
    235,439.90x = 353,152.02 × 102,320.30
  4. Step 4: Simplify right side
    235,439.90x = 36,134,620,632.01
  5. Step 5: Solve for x
    x = 36,134,620,632.01/235,439.90
  6. Step 6: Final answer
    x = 153,477.05

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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.