Home / 276,700.10-415,050.15-89,711.60

Finding the Fourth Proportional to 276,700.10, 415,050.15 and 89,711.60

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Solution

The fourth proportional to 276,700.10, 415,050.15 and 89,711.60 is: 134,567.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,700.10 : 415,050.15 = 89,711.60 : x
  2. Step 2: Convert to fraction form
    276,700.10/415,050.15 = 89,711.60/x
  3. Step 3: Cross multiply
    276,700.10x = 415,050.15 × 89,711.60
  4. Step 4: Simplify right side
    276,700.10x = 37,234,813,036.74
  5. Step 5: Solve for x
    x = 37,234,813,036.74/276,700.10
  6. Step 6: Final answer
    x = 134,567.40

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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.