Home / 306,505.20-459,775.08-93,280.06

Finding the Fourth Proportional to 306,505.20, 459,775.08 and 93,280.06

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Solution

The fourth proportional to 306,505.20, 459,775.08 and 93,280.06 is: 139,925.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,505.20 : 459,775.08 = 93,280.06 : x
  2. Step 2: Convert to fraction form
    306,505.20/459,775.08 = 93,280.06/x
  3. Step 3: Cross multiply
    306,505.20x = 459,775.08 × 93,280.06
  4. Step 4: Simplify right side
    306,505.20x = 42,887,847,048.90
  5. Step 5: Solve for x
    x = 42,887,847,048.90/306,505.20
  6. Step 6: Final answer
    x = 139,925.35

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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.