Home / 99,792.10-149,688.15-97,823.80

Finding the Fourth Proportional to 99,792.10, 149,688.15 and 97,823.80

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Solution

The fourth proportional to 99,792.10, 149,688.15 and 97,823.80 is: 146,735.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,792.10 : 149,688.15 = 97,823.80 : x
  2. Step 2: Convert to fraction form
    99,792.10/149,688.15 = 97,823.80/x
  3. Step 3: Cross multiply
    99,792.10x = 149,688.15 × 97,823.80
  4. Step 4: Simplify right side
    99,792.10x = 14,643,063,647.97
  5. Step 5: Solve for x
    x = 14,643,063,647.97/99,792.10
  6. Step 6: Final answer
    x = 146,735.70

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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.