Home / 191,220.43-286,830.51-58,100.17

Finding the Fourth Proportional to 191,220.43, 286,830.51 and 58,100.17

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Solution

The fourth proportional to 191,220.43, 286,830.51 and 58,100.17 is: 87,150.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,220.43 : 286,830.51 = 58,100.17 : x
  2. Step 2: Convert to fraction form
    191,220.43/286,830.51 = 58,100.17/x
  3. Step 3: Cross multiply
    191,220.43x = 286,830.51 × 58,100.17
  4. Step 4: Simplify right side
    191,220.43x = 16,664,901,392.19
  5. Step 5: Solve for x
    x = 16,664,901,392.19/191,220.43
  6. Step 6: Final answer
    x = 87,150.21

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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.