Home / 348,528.30-522,781.65-99,210.30

Finding the Fourth Proportional to 348,528.30, 522,781.65 and 99,210.30

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Solution

The fourth proportional to 348,528.30, 522,781.65 and 99,210.30 is: 148,812.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,528.30 : 522,781.65 = 99,210.30 : x
  2. Step 2: Convert to fraction form
    348,528.30/522,781.65 = 99,210.30/x
  3. Step 3: Cross multiply
    348,528.30x = 522,781.65 × 99,210.30
  4. Step 4: Simplify right side
    348,528.30x = 51,865,324,331.00
  5. Step 5: Solve for x
    x = 51,865,324,331.00/348,528.30
  6. Step 6: Final answer
    x = 148,812.38

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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.