Home / 348,056.70-522,085.05-111,407.10

Finding the Fourth Proportional to 348,056.70, 522,085.05 and 111,407.10

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Solution

The fourth proportional to 348,056.70, 522,085.05 and 111,407.10 is: 167,110.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,056.70 : 522,085.05 = 111,407.10 : x
  2. Step 2: Convert to fraction form
    348,056.70/522,085.05 = 111,407.10/x
  3. Step 3: Cross multiply
    348,056.70x = 522,085.05 × 111,407.10
  4. Step 4: Simplify right side
    348,056.70x = 58,163,981,373.86
  5. Step 5: Solve for x
    x = 58,163,981,373.86/348,056.70
  6. Step 6: Final answer
    x = 167,110.65

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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.