Home / 97,280.20-145,920.30-62,288.20

Finding the Fourth Proportional to 97,280.20, 145,920.30 and 62,288.20

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Solution

The fourth proportional to 97,280.20, 145,920.30 and 62,288.20 is: 93,432.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,280.20 : 145,920.30 = 62,288.20 : x
  2. Step 2: Convert to fraction form
    97,280.20/145,920.30 = 62,288.20/x
  3. Step 3: Cross multiply
    97,280.20x = 145,920.30 × 62,288.20
  4. Step 4: Simplify right side
    97,280.20x = 9,089,112,830.46
  5. Step 5: Solve for x
    x = 9,089,112,830.46/97,280.20
  6. Step 6: Final answer
    x = 93,432.30

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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.